:root {
  color-scheme: light;
  --ink: #09090b;
  --ink-soft: #303034;
  --muted: #6f7172;
  --paper: #ffffff;
  --soft: #f3f5f4;
  --line: #d9dcda;
  --line-dark: #9da19f;
  --aubergine: #111015;
  --teal: #5f7919;
  --teal-soft: #eef0ef;
  --coral: #0b0b0e;
  --coral-dark: #252529;
  --green: #5c8100;
  --signal: #b9ff3d;
  --signal-dark: #57720f;
  --metal: #dfe3e1;
  --berry: #16121b;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --gutter: clamp(20px, 4.2vw, 64px);
}

* { box-sizing: border-box; }

html { max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; }

body {
  margin: 0;
  width: 100%;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  letter-spacing: 0;
}

body.nav-open,
body.billing-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
button, a, summary, input { -webkit-tap-highlight-color: transparent; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; }
h3 { font-weight: 650; }
p { color: var(--muted); line-height: 1.7; }
section { scroll-margin-top: 76px; }

.scroll-progress {
  position: fixed;
  z-index: 150;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 76px;
  align-items: center;
  gap: 28px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(174, 176, 181, 0.72);
  background: rgba(255, 255, 255, 0.96);
  transition: box-shadow 180ms ease;
}

.site-header.scrolled { box-shadow: 0 10px 32px rgba(17, 16, 21, 0.06); }

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 13px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-symbol { position: relative; display: block; width: 24px; height: 25px; }
.brand-symbol i { position: absolute; top: 1px; display: block; width: 5px; height: 23px; border-radius: 0; background: var(--ink); transform: skewX(-18deg); }
.brand-symbol i:nth-child(1) { left: 5px; }
.brand-symbol i:nth-child(2) { right: 5px; background: var(--ink); }
.brand-symbol::after { position: absolute; right: 0; bottom: 2px; width: 5px; height: 5px; background: var(--signal); content: ""; }
.brand-lockup { display: inline-flex; align-items: center; gap: 8px; }
.brand-lockup strong { font-size: 14px; font-weight: 850; }
.brand-lockup small { border-left: 1px solid var(--line-dark); padding-left: 8px; color: var(--muted); font-size: 10px; font-weight: 800; }

.nav { display: flex; align-items: center; gap: clamp(20px, 2.5vw, 40px); font-size: 14px; }
.nav a { position: relative; padding: 8px 0; }
.nav a::after { position: absolute; right: 0; bottom: 1px; left: 0; height: 1px; background: var(--ink); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.header-actions { display: flex; align-items: center; justify-self: end; gap: 8px; }

.billing-button,
.button,
.plan-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 5px;
  padding: 0 22px;
  background: #fff;
  font-weight: 750;
  cursor: pointer;
  transition: background 170ms ease, border-color 170ms ease, color 170ms ease, transform 170ms ease, box-shadow 170ms ease;
}

.billing-button { min-width: 112px; min-height: 48px; border-color: var(--coral); background: var(--coral); color: #fff; }
.billing-button:hover { border-color: var(--coral-dark); background: var(--coral-dark); box-shadow: 0 12px 28px rgba(233, 60, 49, 0.18); transform: translateY(-2px); }
.button.primary, .plan-button.primary { border-color: var(--aubergine); background: var(--aubergine); color: #fff; }
.button:hover, .plan-button:hover { box-shadow: 0 12px 28px rgba(17, 16, 21, 0.11); transform: translateY(-2px); }
.button:focus-visible, .plan-button:focus-visible, .billing-button:focus-visible, input:focus-visible, summary:focus-visible, .menu-toggle:focus-visible, .panel-close:focus-visible, .billing-tabs button:focus-visible, .code-tabs button:focus-visible, .copy-icon:focus-visible { outline: 3px solid rgba(117, 155, 21, 0.35); outline-offset: 3px; }
.button:disabled, .plan-button:disabled { cursor: not-allowed; opacity: 0.48; transform: none; box-shadow: none; }

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span { width: 22px; height: 2px; background: var(--ink); transition: transform 180ms ease; }

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  padding: clamp(132px, 16vh, 180px) var(--gutter) 96px;
  background: #fff;
}

.hero-copy { position: relative; z-index: 5; max-width: 1330px; }
.hero h1 { max-width: 1260px; margin-bottom: 22px; font-size: clamp(76px, 9vw, 138px); line-height: 0.88; }
.hero-copy > p { max-width: 580px; margin-bottom: 28px; color: var(--ink-soft); font-size: clamp(17px, 1.4vw, 21px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions .primary { border-color: var(--coral); background: var(--coral); }

.hero-network { position: absolute; z-index: 1; right: -4%; bottom: 52px; left: -3%; height: 59%; pointer-events: none; }
.hero-network img { width: 100%; height: 100%; object-fit: cover; object-position: center 58%; transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0) scale(1.03); transition: transform 700ms cubic-bezier(0.2, 0.75, 0.2, 1); }
.hero-network::before { position: absolute; z-index: 2; top: 0; right: 0; left: 0; height: 18%; background: #fff; content: ""; mask-image: linear-gradient(to bottom, #000 0%, transparent 100%); }

.signal { position: absolute; z-index: 4; width: 8px; height: 8px; border: 2px solid #fff; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(185, 255, 61, 0.35); animation: signalPulse 2.6s infinite; }
.signal-a { bottom: 27%; left: 24%; }
.signal-b { right: 40%; bottom: 35%; animation-delay: 0.8s; background: var(--coral); }
.signal-c { right: 17%; bottom: 48%; animation-delay: 1.5s; }

.hero-rail { position: absolute; z-index: 6; right: var(--gutter); bottom: 18px; left: var(--gutter); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line-dark); border-radius: 5px; background: rgba(255, 255, 255, 0.94); }
.hero-rail > span { display: flex; min-height: 50px; align-items: center; justify-content: center; gap: 8px; padding: 10px; color: var(--ink-soft); font-size: 12px; text-align: center; }
.hero-rail > span + span { border-left: 1px solid var(--line); }

.status-dot { display: inline-block; width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: #96949c; }
.status-dot.online { background: var(--green); box-shadow: 0 0 0 4px rgba(21, 149, 101, 0.13); }

.section-index { margin-bottom: 22px; color: var(--teal); font-size: 11px; font-weight: 800; text-transform: uppercase; }

.gateway-intro { display: grid; grid-template-columns: 0.35fr 1.25fr; gap: 40px 70px; min-height: 620px; align-content: center; padding: 110px var(--gutter); }
.gateway-statement h2 { max-width: 980px; margin-bottom: 26px; font-size: clamp(54px, 6.2vw, 96px); line-height: 0.98; }
.gateway-statement > p { max-width: 760px; margin-left: auto; color: var(--ink-soft); font-size: 18px; }
.gateway-map { grid-column: 2; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 18px; margin-top: 34px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); padding: 24px 0; font-size: 13px; }
.gateway-map i { position: relative; height: 1px; background: var(--line-dark); }
.gateway-map i::after { position: absolute; top: -4px; right: 0; width: 7px; height: 7px; border-top: 1px solid var(--teal); border-right: 1px solid var(--teal); content: ""; transform: rotate(45deg); }
.gateway-map strong { color: var(--aubergine); font-family: var(--serif); font-size: 24px; font-weight: 600; }

.journey-section { position: relative; overflow: hidden; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); padding: 100px var(--gutter) 0; }
.section-heading h2 { max-width: 1180px; margin-bottom: 24px; font-size: clamp(60px, 8vw, 116px); line-height: 0.9; }
.section-heading > p:last-child { max-width: 620px; color: var(--ink-soft); font-size: 17px; }
.journey-line { position: relative; height: 44px; margin: 44px calc(var(--gutter) * -1) 0; border-bottom: 1px solid var(--line-dark); }
.journey-line::before, .journey-line::after { position: absolute; bottom: -5px; width: 10px; height: 10px; border-radius: 50%; background: var(--aubergine); content: ""; }
.journey-line::before { left: 12%; }
.journey-line::after { right: 12%; }
.journey-line span { position: absolute; z-index: 2; bottom: -6px; left: 12%; width: 12px; height: 12px; border: 2px solid #fff; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 1px var(--coral); animation: travelLine 8s linear infinite; }
.journey-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.journey-step { min-height: 270px; padding: 38px 36px 42px 0; }
.journey-step + .journey-step { border-left: 1px solid var(--line-dark); padding-left: 36px; }
.journey-step > span { display: block; margin-bottom: 18px; font-family: var(--serif); font-size: 58px; line-height: 1; }
.journey-step h3 { margin-bottom: 10px; font-family: var(--serif); font-size: 29px; font-weight: 500; }
.journey-step p { max-width: 320px; margin-bottom: 0; font-size: 14px; }

.product-stage { padding: 110px var(--gutter) 130px; background: var(--soft); }
.product-stage .section-heading { margin-bottom: 62px; }
.product-demo { position: relative; display: grid; grid-template-columns: minmax(360px, 0.72fr) minmax(520px, 1.28fr); gap: clamp(28px, 5vw, 86px); align-items: center; }
.product-demo::before { display: none; }

.code-window { position: relative; z-index: 2; overflow: hidden; border: 1px solid #34323a; border-radius: 6px; background: #15151b; color: #f6f6f7; box-shadow: 0 24px 70px rgba(17, 16, 21, 0.18); }
.code-window > header { display: flex; min-height: 58px; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid #35343d; }
.code-tabs { display: flex; gap: 18px; }
.code-tabs button { position: relative; border: 0; padding: 19px 0 17px; background: transparent; color: #85838d; font-size: 12px; cursor: pointer; }
.code-tabs button.active { color: #fff; }
.code-tabs button.active::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--signal); content: ""; }
.copy-icon { position: relative; width: 38px; height: 38px; border: 0; background: transparent; cursor: pointer; }
.copy-icon::before, .copy-icon i { position: absolute; width: 12px; height: 14px; border: 1px solid #bab8c0; border-radius: 2px; content: ""; }
.copy-icon::before { top: 9px; left: 10px; }
.copy-icon i { top: 13px; left: 14px; background: #15151b; }
.route-line { display: flex; gap: 14px; align-items: center; min-height: 50px; padding: 0 20px; border-bottom: 1px solid #35343d; color: #c2c0c8; font-size: 11px; }
.route-line span { color: #c9ff69; font-weight: 800; }
.route-line strong { margin-left: auto; color: #77d9aa; }
.code-window pre { min-height: 430px; margin: 0; overflow: auto; padding: 28px 24px; color: #d7d5dc; font: 13px/1.72 var(--mono); white-space: pre-wrap; }
.code-window pre .code-accent { color: #c9ff69; }
.code-window > footer { display: flex; justify-content: space-between; gap: 20px; padding: 16px 20px; border-top: 1px solid #35343d; color: #8c8993; font-size: 11px; }
.code-window > footer span { display: flex; align-items: center; gap: 8px; }

.account-preview { position: relative; z-index: 2; border: 1px solid var(--line-dark); border-radius: 6px; background: rgba(255, 255, 255, 0.96); box-shadow: 0 24px 70px rgba(17, 16, 21, 0.1); }
.account-preview > header { display: flex; min-height: 68px; align-items: center; justify-content: space-between; padding: 0 26px; border-bottom: 1px solid var(--line); }
.account-preview > header span { color: var(--muted); font-size: 11px; }
.account-topline { display: grid; grid-template-columns: repeat(3, 1fr); }
.account-topline > div { min-height: 142px; padding: 26px; }
.account-topline > div + div { border-left: 1px solid var(--line); }
.account-topline span, .usage-block span, .account-facts dt { display: block; margin-bottom: 10px; color: var(--muted); font-size: 11px; }
.account-topline strong { font-family: var(--serif); font-size: 32px; font-weight: 500; }
.account-topline .active-state { display: flex; align-items: center; gap: 8px; font-family: var(--sans); font-size: 18px; }
.active-state i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.usage-block { margin: 0 26px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 0; }
.usage-block > div:first-child { display: flex; justify-content: space-between; gap: 20px; }
.usage-block p { margin: 10px 0 0; font-size: 12px; text-align: right; }
.usage-bar, .result-usage-bar { height: 8px; overflow: hidden; background: #e8e9eb; }
.usage-bar i, .result-usage-bar i { display: block; width: 0; height: 100%; background: var(--teal); transition: width 650ms ease; }
.account-facts { margin: 0; padding: 10px 26px 22px; }
.account-facts div { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.account-facts dt { margin: 0; }
.account-facts dd { margin: 0; overflow-wrap: anywhere; font-family: var(--mono); font-size: 12px; text-align: right; }

.use-cases { border-top: 1px solid var(--line-dark); padding: 110px var(--gutter) 130px; }
.use-cases .section-heading { margin-bottom: 56px; }
.use-case-list { border-top: 1px solid var(--ink); }
.use-case { display: grid; grid-template-columns: 55px 1fr 44px; gap: 28px; min-height: 170px; align-items: center; border-bottom: 1px solid var(--line-dark); transition: background 180ms ease; }
.use-case:hover { background: var(--soft); }
.use-case-visual { display: none; }
.use-case:hover .use-case-visual { transform: translateX(8px); }
.visual-one { background-position: 7% 64%; }
.visual-two { background-position: 38% 58%; }
.visual-three { background-position: 69% 55%; }
.visual-four { background-position: 96% 48%; }
.use-case > span { color: var(--coral); font-size: 12px; font-weight: 800; }
.use-case h3 { margin-bottom: 8px; font-family: var(--serif); font-size: 30px; font-weight: 500; }
.use-case p { max-width: 720px; margin-bottom: 0; font-size: 15px; }
.use-case > i { color: var(--teal); font-size: 31px; font-style: normal; transition: transform 180ms ease; }
.use-case:hover > i { transform: translateX(5px); }

.security-section { display: grid; grid-template-columns: 230px 0.85fr 1.15fr; gap: clamp(36px, 6vw, 90px); align-items: center; padding: 100px var(--gutter); background: var(--teal-soft); }
.security-orbit { position: relative; width: 190px; height: 190px; border: 1px solid rgba(9, 9, 11, 0.34); border-radius: 50%; animation: orbitRotate 18s linear infinite; }
.security-orbit span { position: absolute; top: 50%; left: 50%; width: 66px; height: 66px; border: 1px solid var(--teal); border-radius: 50%; background: var(--aubergine); transform: translate(-50%, -50%); }
.security-orbit i { position: absolute; width: 14px; height: 14px; border: 2px solid #fff; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 1px var(--coral); }
.security-orbit i:nth-child(2) { top: 5px; left: 86px; }
.security-orbit i:nth-child(3) { right: 17px; bottom: 32px; background: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
.security-orbit i:nth-child(4) { bottom: 21px; left: 22px; background: #fff; box-shadow: 0 0 0 1px var(--teal); }
.security-copy h2 { margin-bottom: 24px; font-size: clamp(48px, 5.3vw, 80px); line-height: 0.94; }
.security-copy > p:last-child { max-width: 560px; margin-bottom: 0; color: #555b57; }
.security-list { border-top: 1px solid rgba(9, 9, 11, 0.32); }
.security-list > div { display: grid; grid-template-columns: 42px 190px 1fr; gap: 16px; align-items: baseline; min-height: 92px; padding: 18px 0; border-bottom: 1px solid rgba(9, 9, 11, 0.2); }
.security-list span { color: var(--teal); font-size: 11px; }
.security-list p { margin-bottom: 0; color: #555b57; font-size: 13px; line-height: 1.55; }

.billing-section { padding: 110px var(--gutter) 100px; }
.billing-heading { display: grid; grid-template-columns: 1fr 0.48fr; gap: 40px; align-items: end; margin-bottom: 56px; }
.billing-heading .section-index { grid-column: 1 / -1; margin-bottom: -12px; }
.billing-heading h2 { margin-bottom: 0; font-size: clamp(60px, 7.5vw, 108px); line-height: 0.9; }
.billing-heading > p:last-child { margin-bottom: 4px; color: var(--ink-soft); font-size: 17px; }

.subscription-form { width: 100%; }
.email-field { display: grid; grid-template-columns: 130px minmax(260px, 500px); gap: 18px; align-items: center; margin-bottom: 32px; font-size: 13px; font-weight: 750; }
.email-field input, .account-lookup-form input { width: 100%; height: 54px; border: 1px solid var(--line-dark); border-radius: 4px; padding: 0 16px; background: #fff; color: var(--ink); }
.plan-table { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.plan-column { position: relative; display: flex; min-height: 470px; flex-direction: column; padding: 34px clamp(22px, 3vw, 46px); }
.plan-column + .plan-column { border-left: 1px solid var(--line-dark); }
.plan-column.featured::before { position: absolute; top: -1px; right: 0; left: 0; height: 3px; background: var(--coral); content: ""; }
.plan-column header { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.plan-column h3 { margin-bottom: 0; font-family: var(--serif); font-size: 34px; font-weight: 500; }
.plan-column header span { color: var(--muted); font-size: 11px; }
.plan-price { display: flex; align-items: baseline; gap: 9px; margin: 28px 0 12px; }
.plan-price strong { color: var(--teal); font-family: var(--serif); font-size: 60px; font-weight: 500; line-height: 1; }
.plan-price span { color: var(--ink-soft); font-size: 13px; }
.plan-limit { margin-bottom: 28px; color: var(--ink); font-weight: 750; }
.plan-column ul { display: grid; gap: 12px; margin: 0 0 30px; padding: 0; list-style: none; }
.plan-column li { position: relative; padding-left: 18px; color: var(--muted); font-size: 13px; }
.plan-column li::before { position: absolute; top: 1px; left: 0; color: var(--teal); content: "\2713"; font-weight: 900; }
.plan-button { width: 100%; margin-top: auto; }

.checkout-rail { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; margin-top: 20px; border-bottom: 1px solid var(--line); padding: 0 0 18px; color: var(--muted); font-size: 12px; }
.checkout-rail > span:first-child { display: flex; align-items: center; gap: 8px; }
.checkout-rail p { margin: 0; font-size: 12px; text-align: center; }
.billing-legal { max-width: 900px; margin: 22px auto 0; font-size: 12px; text-align: center; }
.billing-legal a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }

.checkout-success { width: min(900px, 100%); margin: 0 0 34px auto; border-left: 4px solid var(--green); padding: 24px 28px; background: #edf9f3; }
.checkout-success[hidden], .provisioned-access[hidden] { display: none; }
.checkout-success > span, .checkout-success > strong { display: block; }
.checkout-success > span { margin-bottom: 6px; color: var(--green); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.checkout-success > p { margin: 8px 0 0; font-size: 14px; }
.provisioned-access { margin-top: 20px; border-top: 1px solid rgba(21, 149, 101, 0.25); padding-top: 18px; }
.key-output { display: flex; gap: 12px; align-items: center; margin-top: 10px; }
.key-output code { min-width: 0; flex: 1; overflow: auto; border-radius: 4px; padding: 14px; background: var(--ink); color: #fff; font-family: var(--mono); }

.account-section { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(55px, 9vw, 150px); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); padding: 110px var(--gutter); }
.account-intro h2 { margin-bottom: 28px; font-size: clamp(60px, 6.8vw, 98px); line-height: 0.9; }
.account-intro > p:last-child { max-width: 510px; color: var(--ink-soft); }
.account-lookup-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end; }
.account-lookup-form label { display: grid; gap: 10px; color: var(--ink-soft); font-size: 13px; font-weight: 750; }
.account-lookup-form .button { min-width: 160px; height: 54px; }
.account-message { grid-column: 1 / -1; min-height: 24px; margin: 0; color: var(--muted); font-size: 13px; }
.account-message.error { color: var(--coral-dark); }
.account-result { margin-top: 28px; border-top: 1px solid var(--ink); }
.account-result[hidden] { display: none; }
.account-result > div:not(.result-usage-bar) { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; min-height: 66px; border-bottom: 1px solid var(--line); }
.account-result span { color: var(--muted); font-size: 13px; }
.account-result strong { font-weight: 750; }
.result-usage-bar { margin: -12px 0 12px; }

.about-section { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(50px, 8vw, 130px); padding: 110px var(--gutter); }
.about-title { grid-column: 1 / -1; }
.about-title h2 { max-width: 1200px; margin-bottom: 16px; font-size: clamp(58px, 7.4vw, 108px); line-height: 0.92; }
.about-body p { max-width: 650px; color: var(--ink-soft); font-size: 17px; }
.principles { border-top: 1px solid var(--ink); }
.principles article { display: grid; grid-template-columns: 45px 190px 1fr; gap: 18px; align-items: baseline; min-height: 112px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.principles span { color: var(--coral); font-size: 11px; }
.principles h3 { font-family: var(--serif); font-size: 23px; font-weight: 500; }
.principles p { margin-bottom: 0; font-size: 13px; }

.closing-section { display: grid; grid-template-columns: 1.1fr 0.9fr; border-top: 1px solid var(--line-dark); }
.faq-block, .contact-block { padding: 90px var(--gutter); }
.faq-block { background: var(--soft); }
.faq-block h2, .contact-block h2 { margin-bottom: 40px; font-size: clamp(48px, 5.2vw, 76px); line-height: 0.95; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line-dark); }
.faq-list summary { position: relative; padding: 22px 46px 22px 0; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after { position: absolute; top: 31px; right: 4px; width: 16px; height: 1px; background: var(--ink); content: ""; }
.faq-list summary::after { transform: rotate(90deg); transition: transform 180ms ease; }
.faq-list details[open] summary::after { transform: rotate(0); }
.faq-list details p { max-width: 650px; padding: 0 46px 18px 0; font-size: 14px; }
.contact-block { background: var(--aubergine); color: #fff; }
.contact-block .section-index { color: var(--signal); }
.contact-block h2 { color: #fff; }
.contact-block a { display: grid; grid-template-columns: 150px 1fr; gap: 20px; min-height: 88px; align-items: center; border-top: 1px solid rgba(255, 255, 255, 0.23); transition: padding-left 180ms ease, color 180ms ease; }
.contact-block a:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.23); }
.contact-block a:hover { padding-left: 8px; color: var(--signal); }
.contact-block span { color: rgba(255, 255, 255, 0.58); font-size: 11px; }
.contact-block strong { overflow-wrap: anywhere; font-size: clamp(17px, 2vw, 25px); }

.footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; min-height: 150px; align-items: center; padding: 32px var(--gutter); border-top: 1px solid var(--line-dark); }
.footer p { margin: 0; font-size: 12px; text-align: center; }
.footer nav { display: flex; justify-self: end; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 12px; }

.billing-panel { width: min(680px, 100%); height: 100%; max-width: none; max-height: none; margin: 0 0 0 auto; overflow: hidden; border: 0; padding: 0; background: #fff; color: var(--ink); box-shadow: -24px 0 70px rgba(17, 16, 21, 0.16); }
.billing-panel::backdrop { background: rgba(17, 16, 21, 0.34); }
.billing-panel[open] { animation: panelEnter 300ms cubic-bezier(0.2, 0.75, 0.2, 1); }
.billing-panel-shell { height: 100%; overflow-y: auto; padding: 42px 42px 64px; }
.billing-panel-shell > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
.billing-panel-shell > header p { margin-bottom: 8px; color: var(--muted); font-family: var(--serif); }
.billing-panel-shell > header h2 { margin-bottom: 0; font-size: 68px; line-height: 1; }
.panel-close { width: 50px; height: 50px; border: 0; background: transparent; font-family: var(--sans); font-size: 42px; font-weight: 250; line-height: 1; cursor: pointer; }
.billing-tabs { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 42px; border-bottom: 1px solid var(--line-dark); }
.billing-tabs button { position: relative; min-height: 58px; border: 0; background: transparent; font-weight: 700; cursor: pointer; }
.billing-tabs button.active { color: var(--teal); }
.billing-tabs button.active::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--teal); content: ""; }
.billing-tab-panel { padding-top: 36px; }
.billing-tab-panel[hidden] { display: none; }
.panel-subscription-form .email-field { grid-template-columns: 1fr; gap: 10px; }
.panel-plan-list { border-top: 1px solid var(--line-dark); }
.panel-plan-list article { position: relative; display: grid; grid-template-columns: 1fr auto 140px; gap: 20px; min-height: 138px; align-items: center; border-bottom: 1px solid var(--line-dark); padding: 20px 0; }
.panel-plan-list article.featured::before { position: absolute; top: -1px; right: 0; left: 0; height: 3px; background: var(--coral); content: ""; }
.panel-plan-list h3 { margin-bottom: 6px; font-family: var(--serif); font-size: 31px; font-weight: 500; }
.panel-plan-list p { margin: 0; font-size: 12px; }
.panel-plan-list > article > strong { color: var(--teal); font-family: var(--serif); font-size: 34px; font-weight: 500; }
.panel-plan-list small { color: var(--ink-soft); font-family: var(--sans); font-size: 11px; font-weight: 500; }
.panel-plan-list .plan-button { min-height: 48px; padding: 0 12px; }
.selected-offer-banner {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px 18px;
  margin: -8px 0 24px;
  border: 1px solid var(--ink);
  padding: 16px 18px;
  background: var(--signal);
}
.selected-offer-banner > span { color: var(--ink-soft); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.selected-offer-banner strong { display: block; font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1; }
.selected-offer-banner p { margin: 5px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.45; }
.selected-offer-banner > p { grid-column: 2; margin-top: 4px; color: var(--ink); }
.panel-checkout-state { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; color: var(--muted); font-size: 12px; }
.panel-checkout-state span { display: flex; align-items: center; gap: 8px; }
.panel-checkout-state p { margin: 0; font-size: 12px; text-align: right; }
.panel-microcopy { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 18px; font-size: 12px; }
.panel-account-intro h3 { margin-bottom: 12px; font-family: var(--serif); font-size: 36px; font-weight: 500; }
.panel-account-intro p { max-width: 500px; }
.billing-panel .account-lookup { margin-top: 30px; }
.billing-panel .account-lookup-form { grid-template-columns: 1fr; }
.billing-panel .account-lookup-form .button { width: fit-content; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity 750ms ease, transform 750ms cubic-bezier(0.2, 0.75, 0.2, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes signalPulse {
  0% { box-shadow: 0 0 0 0 rgba(185, 255, 61, 0.38); transform: scale(0.75); }
  60% { box-shadow: 0 0 0 18px rgba(185, 255, 61, 0); transform: scale(1); }
  100% { box-shadow: 0 0 0 0 rgba(185, 255, 61, 0); transform: scale(0.75); }
}

@keyframes travelLine {
  0% { left: 12%; }
  100% { left: 87%; }
}

@keyframes orbitRotate { to { transform: rotate(360deg); } }

@keyframes panelEnter {
  from { transform: translateX(70px); }
  to { transform: translateX(0); }
}

/* Legal pages */
.policy-page { background: var(--soft); }
.policy-header { display: flex; min-height: 76px; align-items: center; justify-content: space-between; padding: 0 var(--gutter); border-bottom: 1px solid var(--line); background: #fff; }
.policy-main { width: min(900px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 100px; }
.policy-hero { padding-bottom: 40px; border-bottom: 1px solid var(--ink); }
.policy-hero h1 { font-size: clamp(50px, 8vw, 92px); line-height: 0.95; }
.policy-notice { margin: 34px 0; border-left: 4px solid var(--coral); padding: 20px 24px; background: #fff; line-height: 1.65; }
.policy-notice strong { display: block; margin-bottom: 6px; }
.policy-section { padding: 30px 0; border-bottom: 1px solid var(--line); }
.policy-section h2 { font-family: var(--sans); font-size: 24px; font-weight: 800; }
.policy-section p, .policy-section li { color: var(--ink-soft); line-height: 1.75; }
.policy-section a { color: var(--teal); text-decoration: underline; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; background: #fff; }
  .nav { position: fixed; z-index: 95; top: 76px; right: 0; bottom: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; overflow-y: auto; padding: 22px var(--gutter); background: #fff; }
  .nav-open .nav { display: flex; }
  .nav a { border-bottom: 1px solid var(--line); padding: 20px 4px; font-family: var(--serif); font-size: 30px; }
  .menu-toggle { display: flex; }
  .nav-open main, .nav-open .footer { visibility: hidden; }
  .nav-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-open .menu-toggle span:last-child { transform: translateY(-5px) rotate(-45deg); }
  .gateway-intro { grid-template-columns: 1fr; }
  .gateway-map { grid-column: 1; }
  .product-demo { grid-template-columns: 0.75fr 1.25fr; }
  .use-case { grid-template-columns: 170px 45px 1fr 40px; }
  .use-case-visual { width: 170px; }
  .security-section { grid-template-columns: 180px 1fr; }
  .security-list { grid-column: 1 / -1; }
  .account-section { grid-template-columns: 1fr; }
  .account-intro > p:last-child { max-width: 700px; }
}

@media (max-width: 800px) {
  :root { --gutter: 20px; }
  section { scroll-margin-top: 66px; }
  .site-header { min-height: 66px; }
  .brand { font-size: 20px; }
  .billing-button { min-width: 86px; min-height: 42px; padding: 0 14px; }
  .menu-toggle { width: 42px; height: 42px; }
  .nav { top: 66px; }

  .hero { min-height: 740px; padding-top: 112px; padding-bottom: 24px; }
  .hero h1 { font-size: clamp(58px, 17vw, 68px); line-height: 0.91; }
  .hero h1 br { display: none; }
  .hero-copy > p { max-width: 350px; font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; width: min(340px, 100%); }
  .hero-network { top: 500px; right: 0; bottom: auto; left: 0; height: 290px; }
  .hero-network img { object-position: 40% center; }
  .hero-network img { transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0); }
  .hero-rail { display: none; }

  .gateway-intro { min-height: auto; gap: 24px; padding-top: 80px; padding-bottom: 80px; }
  .gateway-statement h2 { font-size: 48px; }
  .gateway-statement > p { font-size: 16px; }
  .gateway-map { grid-template-columns: 1fr; gap: 14px; }
  .gateway-map i { display: none; }

  .journey-section { padding-top: 78px; }
  .section-heading h2 { font-size: 55px; }
  .journey-line { height: 32px; }
  .journey-grid { grid-template-columns: 1fr; }
  .journey-step, .journey-step + .journey-step { min-height: auto; border-top: 1px solid var(--line); border-left: 0; padding: 28px 0; }
  .journey-step:first-child { border-top: 0; }
  .journey-step > span { margin-bottom: 12px; font-size: 46px; }

  .product-stage { padding-top: 80px; padding-bottom: 90px; }
  .product-demo { grid-template-columns: 1fr; gap: 34px; }
  .product-demo::before { top: 25%; right: -40%; left: -40%; height: 33%; }
  .code-window pre { min-height: 350px; font-size: 11px; }
  .account-topline { grid-template-columns: 1fr; }
  .account-topline > div { min-height: 88px; }
  .account-topline > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .account-facts div { grid-template-columns: 1fr; gap: 6px; }
  .account-facts dd { text-align: left; }

  .use-cases { padding-top: 80px; padding-bottom: 90px; }
  .use-case { grid-template-columns: 64px 1fr 30px; gap: 16px; padding: 22px 0; }
  .use-case-visual { grid-column: 1 / -1; width: 100%; height: 120px; background-size: 720px auto; }
  .use-case > span { grid-column: 1; }
  .use-case > div:not(.use-case-visual) { grid-column: 2; }
  .use-case > i { grid-column: 3; }
  .use-case h3 { font-size: 25px; }

  .security-section { grid-template-columns: 1fr; padding-top: 76px; padding-bottom: 86px; }
  .security-orbit { width: 130px; height: 130px; }
  .security-orbit i:nth-child(2) { left: 56px; }
  .security-copy h2 { font-size: 51px; }
  .security-list > div { grid-template-columns: 35px 1fr; }
  .security-list p { grid-column: 2; }

  .billing-section { padding-top: 80px; padding-bottom: 80px; }
  .billing-heading { grid-template-columns: 1fr; }
  .billing-heading .section-index { margin-bottom: 0; }
  .billing-heading h2 { font-size: 55px; }
  .email-field { grid-template-columns: 1fr; gap: 10px; }
  .plan-table { grid-template-columns: 1fr; }
  .plan-column { min-height: 370px; padding: 28px 4px; }
  .plan-column + .plan-column { border-top: 1px solid var(--line-dark); border-left: 0; }
  .plan-column.featured::before { top: -1px; }
  .checkout-rail { grid-template-columns: 1fr; text-align: center; }
  .checkout-rail > span:first-child { justify-content: center; }
  .key-output { align-items: stretch; flex-direction: column; }

  .account-section { padding-top: 80px; padding-bottom: 80px; }
  .account-intro h2 { font-size: 55px; }
  .account-lookup-form { grid-template-columns: 1fr; }
  .account-lookup-form .button { width: 100%; }

  .about-section { grid-template-columns: 1fr; padding-top: 80px; padding-bottom: 80px; }
  .about-title { grid-column: 1; }
  .about-title h2 { font-size: 54px; }
  .principles article { grid-template-columns: 38px 1fr; }
  .principles p { grid-column: 2; }

  .closing-section { grid-template-columns: 1fr; }
  .faq-block, .contact-block { padding-top: 75px; padding-bottom: 75px; }
  .contact-block a { grid-template-columns: 1fr; gap: 8px; align-content: center; }

  .footer { grid-template-columns: 1fr; gap: 25px; min-height: 220px; }
  .footer p { text-align: left; }
  .footer nav { justify-self: start; }

  .billing-panel { width: 100%; }
  .billing-panel-shell { padding: 28px 20px 54px; }
  .billing-panel-shell > header h2 { font-size: 54px; }
  .billing-tabs { margin-top: 28px; }
  .panel-plan-list article { grid-template-columns: 1fr auto; min-height: 170px; }
  .panel-plan-list .plan-button { grid-column: 1 / -1; width: 100%; }
  .selected-offer-banner { grid-template-columns: 1fr; gap: 7px; margin-top: 0; }
  .selected-offer-banner > p { grid-column: auto; }
  .panel-checkout-state { align-items: flex-start; flex-direction: column; }
  .panel-checkout-state p { text-align: left; }
}

/* Editorial V3 */
.scroll-progress span { background: var(--signal); }

.site-header {
  border-bottom-color: rgba(9, 9, 11, 0.2);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(16px);
}

.brand-symbol i { background: var(--ink); }
.brand-symbol i:nth-child(3) { background: var(--ink); }
.brand-symbol i:nth-child(4) { background: var(--signal); }

.billing-button {
  position: relative;
  min-width: 118px;
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.billing-button::before {
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--signal);
  content: "";
  box-shadow: 0 0 0 3px rgba(185, 255, 61, 0.14);
}

.billing-button:hover,
.button.primary:hover,
.plan-button.primary:hover {
  border-color: #252529;
  background: #252529;
  box-shadow: 0 14px 32px rgba(9, 9, 11, 0.16);
}

.button.primary,
.plan-button.primary,
.hero-actions .primary {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.button:focus-visible,
.plan-button:focus-visible,
.billing-button:focus-visible,
input:focus-visible,
summary:focus-visible,
.menu-toggle:focus-visible,
.panel-close:focus-visible,
.billing-tabs button:focus-visible,
.code-tabs button:focus-visible,
.copy-icon:focus-visible {
  outline-color: rgba(117, 155, 21, 0.45);
}

.hero {
  min-height: max(760px, calc(100svh - 28px));
  padding-top: clamp(126px, 15vh, 174px);
  background: #fff;
}

.hero-copy { max-width: 1280px; }
.hero h1 { max-width: 1180px; }
.hero-copy > p { max-width: 610px; }

.hero-network {
  right: 0;
  bottom: 53px;
  left: 0;
  height: 58%;
  overflow: hidden;
  pointer-events: auto;
  isolation: isolate;
}

.hero-network::before { display: none; }

.hero-network-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  filter: grayscale(1) contrast(1.18) brightness(0.74);
  opacity: 0.23;
  transition: opacity 700ms ease;
}

.network-ready .hero-network-fallback { opacity: 0; }

.hero-network canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 420ms ease;
}

.hero-network canvas[data-ready="true"] { opacity: 1; }

.network-caption {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 30px;
  display: grid;
  grid-template-columns: auto 76px auto;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.network-caption i { height: 1px; background: var(--line-dark); }
.network-caption strong { color: var(--ink); }

.hero-rail {
  border-color: rgba(9, 9, 11, 0.28);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.status-dot.online {
  background: var(--signal-dark);
  box-shadow: 0 0 0 4px rgba(185, 255, 61, 0.2);
}

.section-index { color: var(--signal-dark); }
.gateway-map i::after { border-color: var(--signal-dark); }
.gateway-map strong { color: var(--ink); }
.journey-line::before,
.journey-line::after { background: var(--ink); }
.journey-line span {
  background: var(--signal);
  box-shadow: 0 0 0 1px var(--signal-dark);
}

.delivery-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.84fr) minmax(520px, 1.16fr);
  gap: clamp(56px, 9vw, 150px);
  padding: 112px var(--gutter);
  background: var(--ink);
  color: #fff;
}

.delivery-section .section-index,
.operator-section .section-index { color: var(--signal); }
.delivery-heading { align-self: start; }
.delivery-heading h2 {
  max-width: 680px;
  margin-bottom: 28px;
  color: #fff;
  font-size: clamp(56px, 6.2vw, 94px);
  line-height: 0.94;
}
.delivery-heading > p:last-child { max-width: 560px; color: #aeb1af; font-size: 16px; }
.delivery-ledger { border-top: 1px solid rgba(255, 255, 255, 0.34); }
.delivery-ledger article {
  display: grid;
  grid-template-columns: 42px minmax(150px, 0.72fr) minmax(220px, 1fr) auto;
  gap: 18px;
  min-height: 104px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.delivery-ledger span { color: var(--signal); font-size: 10px; }
.delivery-ledger h3 { margin: 0; font-family: var(--serif); font-size: 24px; font-weight: 500; }
.delivery-ledger p { margin: 0; color: #9da09e; font-size: 12px; line-height: 1.55; }
.delivery-ledger strong { color: #fff; font-size: 10px; text-transform: uppercase; }

.product-stage { background: #f1f3f2; }
.product-demo::before {
  filter: grayscale(1) contrast(1.16) brightness(0.65);
  opacity: 0.22;
}
.code-tabs button.active::after { background: var(--signal); }
.route-line span,
.code-window pre .code-accent { color: #c9ff69; }
.route-line strong { color: #c9ff69; }
.usage-bar i,
.result-usage-bar i { background: var(--signal-dark); }

.compatibility-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(60px, 10vw, 170px);
  padding: 118px var(--gutter);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: var(--metal);
}
.compatibility-copy h2 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(56px, 6.5vw, 98px);
  line-height: 0.93;
}
.compatibility-copy > p:last-child { max-width: 590px; color: var(--ink-soft); font-size: 16px; }
.compatibility-spec { border-top: 1px solid var(--ink); }
.compatibility-spec > div {
  display: grid;
  grid-template-columns: 110px 0.8fr 1.2fr;
  gap: 18px;
  min-height: 95px;
  align-items: center;
  border-bottom: 1px solid rgba(9, 9, 11, 0.3);
}
.compatibility-spec span { color: var(--muted); font-size: 10px; text-transform: uppercase; }
.compatibility-spec strong { font-family: var(--serif); font-size: 20px; font-weight: 500; }
.compatibility-spec code { overflow-wrap: anywhere; color: var(--ink-soft); font: 11px/1.5 var(--mono); text-align: right; }

.use-case-visual {
  background-color: #111114;
  background-blend-mode: luminosity;
  filter: grayscale(1) contrast(1.16) brightness(0.72);
}
.use-case > span { color: var(--signal-dark); }
.use-case > i { color: var(--signal-dark); }

.security-section { background: #ecefed; }
.security-orbit { border-color: rgba(9, 9, 11, 0.34); }
.security-orbit span { border-color: var(--ink); background: var(--ink); }
.security-orbit i,
.security-orbit i:nth-child(3) {
  background: var(--signal);
  box-shadow: 0 0 0 1px var(--signal-dark);
}
.security-orbit i:nth-child(4) { box-shadow: 0 0 0 1px var(--ink); }
.security-copy > p:last-child,
.security-list p { color: #555b57; }
.security-list { border-top-color: rgba(9, 9, 11, 0.32); }
.security-list > div { border-bottom-color: rgba(9, 9, 11, 0.2); }
.security-list span { color: var(--signal-dark); }

.usage-section { padding: 118px var(--gutter); border-bottom: 1px solid var(--line-dark); }
.usage-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.52fr;
  gap: 50px;
  align-items: end;
  margin-bottom: 62px;
}
.usage-heading .section-index { grid-column: 1 / -1; margin-bottom: -14px; }
.usage-heading h2 { margin: 0; font-size: clamp(62px, 7.8vw, 112px); line-height: 0.89; }
.usage-heading > p:last-child { margin: 0 0 5px; color: var(--ink-soft); font-size: 16px; }
.token-equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.token-equation > div { min-height: 164px; padding: 28px 24px; }
.token-equation > div + div { border-left: 1px solid var(--line); }
.token-equation > i { display: grid; width: 74px; place-items: center; border-right: 1px solid var(--line); border-left: 1px solid var(--line); font-family: var(--serif); font-size: 42px; font-style: normal; }
.token-equation span { display: block; margin-bottom: 42px; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.token-equation strong { font-family: var(--serif); font-size: clamp(24px, 2.5vw, 38px); font-weight: 500; }
.token-equation .total { background: var(--signal); }
.usage-rules { display: grid; grid-template-columns: repeat(4, 1fr); }
.usage-rules article { min-height: 214px; padding: 30px 28px 24px 0; border-bottom: 1px solid var(--line); }
.usage-rules article + article { border-left: 1px solid var(--line); padding-left: 28px; }
.usage-rules span { color: var(--signal-dark); font-size: 10px; }
.usage-rules h3 { margin: 38px 0 10px; font-family: var(--serif); font-size: 23px; font-weight: 500; }
.usage-rules p { margin: 0; font-size: 12px; }

.plan-column.featured::before,
.panel-plan-list article.featured::before { background: var(--signal); }
.plan-price strong,
.panel-plan-list > article > strong { color: var(--ink); }
.plan-column li::before { color: var(--signal-dark); }
.billing-legal a,
.billing-tabs button.active,
.policy-section a { color: var(--signal-dark); }
.billing-tabs button.active::after { background: var(--signal); }
.checkout-success {
  border-left-color: var(--signal-dark);
  background: #f2f8e8;
}
.checkout-success > span { color: var(--signal-dark); }

.operator-section {
  padding: 112px var(--gutter) 0;
  background: var(--ink);
  color: #fff;
}
.operator-title h2 {
  max-width: 1200px;
  margin-bottom: 64px;
  color: #fff;
  font-size: clamp(58px, 7.6vw, 110px);
  line-height: 0.9;
}
.operator-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255, 255, 255, 0.34); }
.operator-grid article { min-height: 270px; padding: 36px 44px 42px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.operator-grid article:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, 0.2); padding-right: 0; padding-left: 44px; }
.operator-grid span { color: var(--signal); font-size: 10px; text-transform: uppercase; }
.operator-grid h3 { max-width: 520px; margin: 54px 0 14px; color: #fff; font-family: var(--serif); font-size: 32px; font-weight: 500; }
.operator-grid p { max-width: 560px; margin: 0; color: #aeb1af; font-size: 13px; }

.principles span { color: var(--signal-dark); }
.contact-block { background: #111114; }
.contact-block .section-index { color: var(--signal); }
.contact-block a:hover { color: var(--signal); }
.policy-notice { border-left-color: var(--signal); }

@media (max-width: 1100px) {
  .delivery-section,
  .compatibility-section { grid-template-columns: 1fr; }
  .delivery-heading > p:last-child,
  .compatibility-copy > p:last-child { max-width: 720px; }
  .delivery-ledger article { grid-template-columns: 42px 0.7fr 1fr auto; }
  .usage-heading { grid-template-columns: 1fr; }
  .usage-heading .section-index { margin-bottom: 0; }
}

@media (max-width: 800px) {
  .billing-button { min-width: 96px; }
  .billing-button::before { margin-right: 7px; }
  .hero {
    min-height: max(780px, calc(100svh - 20px));
    padding-top: 106px;
  }
  .hero h1 { font-size: clamp(54px, 15.5vw, 66px); }
  .hero-network { top: 470px; height: 285px; }
  .hero-network-fallback { object-position: 43% center; }
  .network-caption { display: none; }

  .delivery-section,
  .compatibility-section,
  .usage-section,
  .operator-section { padding: 78px var(--gutter); }
  .delivery-heading h2,
  .compatibility-copy h2 { font-size: 49px; }
  .delivery-ledger article {
    grid-template-columns: 34px 1fr;
    gap: 8px 14px;
    min-height: 148px;
    align-content: center;
  }
  .delivery-ledger p { grid-column: 2; }
  .delivery-ledger strong { grid-column: 2; color: var(--signal); }

  .compatibility-spec > div {
    grid-template-columns: 92px 1fr;
    gap: 8px 14px;
    min-height: 112px;
    align-content: center;
  }
  .compatibility-spec code { grid-column: 2; text-align: left; }

  .usage-heading { margin-bottom: 44px; }
  .usage-heading h2 { font-size: 55px; }
  .token-equation { grid-template-columns: 1fr 48px 1fr; }
  .token-equation > div { min-height: 130px; padding: 22px 14px; }
  .token-equation > div:nth-of-type(3) { grid-column: 1 / -1; }
  .token-equation > i { width: 48px; font-size: 30px; }
  .token-equation > i:last-of-type { display: none; }
  .token-equation span { margin-bottom: 28px; }
  .token-equation strong { font-size: 22px; }
  .usage-rules { grid-template-columns: 1fr; }
  .usage-rules article,
  .usage-rules article + article { min-height: 170px; border-left: 0; padding: 24px 0; }
  .usage-rules h3 { margin-top: 24px; }

  .operator-section { padding-bottom: 0; }
  .operator-title h2 { margin-bottom: 48px; font-size: 52px; }
  .operator-grid { grid-template-columns: 1fr; }
  .operator-grid article,
  .operator-grid article:nth-child(even) { min-height: 230px; border-left: 0; padding: 30px 0; }
  .operator-grid h3 { margin-top: 38px; font-size: 28px; }
}

/* Architectural V4 */
.billing-button,
.button,
.plan-button,
.hero-rail,
.code-window,
.account-preview,
.email-field input,
.account-lookup-form input,
.key-output code { border-radius: 0; }

.brand-symbol i {
  top: 1px;
  width: 5px;
  height: 23px;
  border-radius: 0;
  background: var(--ink);
  transform: skewX(-18deg);
}
.brand-symbol i:nth-child(1) { top: 1px; left: 5px; }
.brand-symbol i:nth-child(2) { top: 1px; right: 5px; left: auto; }

.hero-copy { max-width: 1120px; }
.hero h1 {
  max-width: 1110px;
  margin-bottom: 24px;
  font-family: var(--sans);
  font-size: clamp(72px, 8.2vw, 126px);
  font-weight: 640;
  line-height: 0.9;
}
.hero-copy > p { max-width: 660px; font-size: clamp(16px, 1.3vw, 19px); }

.hero-network { height: 55%; }
.hero-network-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8vw;
  padding: 0 8vw 60px;
  filter: none;
  opacity: 1;
}
.hero-network-fallback span {
  display: block;
  width: clamp(70px, 11vw, 170px);
  height: 58%;
  border: 1px solid var(--line-dark);
  background: rgba(223, 227, 225, 0.34);
}
.hero-network-fallback span:nth-child(2) { height: 82%; border-color: var(--ink); }
.hero-network-fallback span:nth-child(3) { height: 66%; }
.network-ready .hero-network-fallback { opacity: 0; }

.hero-rail {
  border: 0;
  border-top: 1px solid rgba(9, 9, 11, 0.3);
  border-bottom: 1px solid rgba(9, 9, 11, 0.3);
  background: rgba(255, 255, 255, 0.9);
}
.hero-rail > span + span { border-left-color: rgba(9, 9, 11, 0.18); }
.network-caption { grid-template-columns: auto 92px auto; }

.product-demo { grid-template-columns: minmax(360px, 0.74fr) minmax(520px, 1.26fr); }
.product-demo::before { display: none; content: none; }

.use-case-list { max-width: 1180px; margin-left: auto; }
.use-case {
  grid-template-columns: 60px 1fr 44px;
  min-height: 148px;
  gap: 30px;
}
.use-case-visual { display: none; background-image: none; }
.use-case h3 { font-size: 34px; }
.use-case p { max-width: 780px; }

.contact-block,
.operator-section,
.delivery-section { background: #08090a; }

@media (max-width: 1100px) {
  .use-case { grid-template-columns: 54px 1fr 40px; }
}

@media (max-width: 800px) {
  .brand { gap: 9px; }
  .brand-lockup { gap: 6px; }
  .brand-lockup strong { font-size: 12px; }
  .brand-lockup small { padding-left: 6px; font-size: 9px; }
  .brand-symbol { width: 20px; height: 23px; }
  .brand-symbol i { width: 4px; height: 21px; }
  .brand-symbol i:nth-child(1) { left: 4px; }
  .brand-symbol i:nth-child(2) { right: 4px; }
  .brand-symbol::after { width: 4px; height: 4px; }

  .hero h1 {
    font-size: clamp(49px, 13.6vw, 59px);
    font-weight: 650;
    line-height: 0.94;
  }
  .hero h1 br { display: block; }
  .hero-copy > p { max-width: 345px; font-size: 15px; }
  .hero-network { top: 480px; height: 285px; }
  .hero-network-fallback { gap: 24px; padding: 0 22px 54px; }
  .hero-network-fallback span { width: 72px; }

  .use-case-list { max-width: none; }
  .use-case { grid-template-columns: 42px 1fr 26px; gap: 14px; }
  .use-case > span { grid-column: 1; }
  .use-case > div { grid-column: 2; }
  .use-case > i { grid-column: 3; }
  .use-case h3 { font-size: 27px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Access and account V6 */
[hidden] { display: none !important; }

.account-button,
.text-button {
  min-height: 38px;
  border: 0;
  padding: 0 9px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
  transition: color 170ms ease, background 170ms ease;
}
.account-button:hover,
.text-button:hover { color: var(--ink); background: var(--soft); }
.account-button:focus-visible,
.text-button:focus-visible,
.credit-card:focus-visible,
.plan-column:focus-visible,
.panel-plan-list article:focus-visible,
.panel-credit-item:focus-visible { outline: 3px solid rgba(185, 255, 61, 0.64); outline-offset: -3px; }

.billing-section-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}
.billing-section-label > span { color: var(--ink); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.billing-section-label p { margin: 0; font-size: 13px; }
.plan-table { grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); }
.plan-column[data-offer-card],
.panel-plan-list article[data-offer-card],
.credit-card,
.panel-credit-item { cursor: pointer; }
.plan-column.selected,
.panel-plan-list article.selected,
.panel-credit-item.selected { z-index: 1; background: #f4fae8; box-shadow: inset 0 0 0 2px var(--signal-dark); }
.plan-column.selected .plan-limit,
.panel-plan-list article.selected p,
.panel-credit-item.selected p { color: var(--ink); }
.plan-column.optional-plan { background: #f5f6f5; }
.plan-column.optional-plan .plan-price strong { font-size: 52px; }

.credits-section {
  margin-top: 72px;
  border-top: 1px solid var(--ink);
  padding: 56px 0 0;
}
.credits-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.48fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 34px;
}
.credits-heading h3 { margin: 12px 0 0; font-family: var(--serif); font-size: clamp(46px, 5vw, 76px); font-weight: 500; line-height: 0.92; }
.credits-heading > p { max-width: 440px; margin: 0 0 5px; color: var(--ink-soft); }
.credit-sale {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--ink);
  padding: 16px 18px;
  background: var(--signal);
}
.credit-sale strong { font-size: 14px; }
.credit-sale span { font-size: 12px; }
.credit-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.credit-card,
.credit-contact-card {
  position: relative;
  display: flex;
  min-height: 250px;
  flex-direction: column;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 22px;
  background: #fff;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}
.credit-card:hover,
.credit-card.selected { background: var(--ink); color: #fff; }
.credit-card > span,
.credit-contact-card > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.credit-card:hover > span,
.credit-card.selected > span { color: var(--signal); }
.credit-card > strong { margin-top: auto; font-family: var(--serif); font-size: clamp(36px, 3vw, 52px); font-weight: 500; line-height: 0.95; }
.credit-card p { min-height: 42px; margin: 14px 0 18px; font-size: 12px; line-height: 1.45; }
.credit-card:hover p,
.credit-card.selected p { color: rgba(255, 255, 255, 0.64); }
.credit-button { width: 100%; min-height: 42px; border: 1px solid var(--ink); padding: 0 10px; background: transparent; color: inherit; font-size: 12px; font-weight: 750; cursor: pointer; }
.credit-card:hover .credit-button,
.credit-card.selected .credit-button { border-color: rgba(255, 255, 255, 0.54); }
.credit-button:hover { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.credit-contact-card { background: var(--metal); color: var(--ink); }
.credit-contact-card strong { margin-top: auto; font-family: var(--serif); font-size: 38px; font-weight: 500; }
.credit-contact-card p { margin: 12px 0 0; font-size: 12px; }
.credit-contact-card i { position: absolute; top: 22px; right: 22px; color: var(--signal-dark); font-size: 28px; font-style: normal; transition: transform 180ms ease; }
.credit-contact-card:hover i { transform: translateX(5px); }

.account-hub { max-width: 800px; }
.account-entry { display: grid; grid-template-columns: 0.68fr 1fr; gap: 42px; border-top: 1px solid var(--ink); padding-top: 25px; }
.account-entry-copy > span,
.account-hub-header > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.account-entry-copy h3 { margin: 14px 0 12px; font-family: var(--serif); font-size: 42px; font-weight: 500; }
.account-entry-copy p { max-width: 250px; margin: 0; font-size: 13px; }
.web-register-form,
.web-login-form,
.web-activate-form { display: grid; gap: 14px; }
.web-register-form label,
.web-login-form label,
.web-activate-form label { display: grid; gap: 9px; color: var(--ink-soft); font-size: 12px; font-weight: 750; }
.web-register-form input,
.web-login-form input,
.web-activate-form input { width: 100%; height: 52px; border: 1px solid var(--line-dark); padding: 0 14px; background: #fff; color: var(--ink); }
.web-register-form .button,
.web-login-form .button,
.web-activate-form .button { justify-self: start; min-height: 48px; }
.web-account-message { min-height: 20px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.web-account-message.error { color: #9e2218; }
.account-secondary,
.activate-account { grid-column: 2; margin-top: 6px; border-top: 1px solid var(--line); padding-top: 16px; }
.account-secondary summary,
.activate-account summary { color: var(--ink); font-size: 13px; font-weight: 750; cursor: pointer; }
.account-secondary > form,
.activate-account > p { margin: 14px 0 18px; }
.activate-account > p { font-size: 12px; line-height: 1.6; }
.signed-in-account { border-top: 1px solid var(--ink); padding-top: 18px; }
.account-hub-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.signed-in-account .account-result { margin-top: 0; }
.signed-in-account .text-button { min-height: 30px; }
.account-key-card { margin-top: 18px; border: 1px solid var(--line-dark); padding: 18px; background: #fff; }
.account-key-card[hidden] { display: none; }
.account-key-card > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.account-key-card > p { margin: 8px 0 14px; font-size: 12px; line-height: 1.5; }
.account-key-card > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.account-key-card code { min-width: 0; overflow-wrap: anywhere; border: 1px solid var(--line); padding: 13px; background: var(--soft); font-size: 12px; }
.account-key-card .button { min-height: 44px; }
.checkout-email[readonly] { cursor: not-allowed; opacity: 0.82; }

.panel-credit-list { border-top: 1px solid var(--line-dark); }
.panel-credit-item { display: grid; grid-template-columns: 1fr auto 140px; gap: 20px; min-height: 124px; align-items: center; border-bottom: 1px solid var(--line-dark); padding: 18px 0; }
.panel-credit-item h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.panel-credit-item p { margin: 0; font-size: 12px; }
.panel-credit-item > strong { font-family: var(--serif); font-size: 29px; font-weight: 500; }
.panel-credit-item .plan-button { min-height: 46px; padding: 0 10px; }
.billing-tabs { grid-template-columns: repeat(3, 1fr); }
.billing-panel .account-entry { grid-template-columns: 1fr; gap: 0; border-top: 0; padding-top: 0; }
.billing-panel .account-entry-copy { display: none; }
.billing-panel .account-secondary,
.billing-panel .activate-account { grid-column: auto; }
.billing-panel .signed-in-account { margin-top: 0; }

@media (max-width: 1100px) {
  .credit-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
  .account-button { display: none; }
  .billing-section-label { display: grid; gap: 6px; }
  .plan-table { grid-template-columns: 1fr; }
  .plan-column + .plan-column { border-top: 1px solid var(--line-dark); border-left: 0; }
  .credits-section { margin-top: 54px; padding-top: 42px; }
  .credits-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 26px; }
  .credits-heading h3 { font-size: 50px; }
  .credit-sale { align-items: flex-start; flex-direction: column; gap: 6px; }
  .credit-grid { grid-template-columns: repeat(2, 1fr); }
  .credit-card,
  .credit-contact-card { min-height: 220px; padding: 18px; }
  .credit-card > strong { font-size: 38px; }
  .credit-contact-card strong { font-size: 31px; }
  .account-entry { grid-template-columns: 1fr; gap: 28px; }
  .account-secondary,
  .activate-account { grid-column: auto; }
  .account-entry-copy p { max-width: none; }
  .panel-credit-item { grid-template-columns: 1fr auto; min-height: 156px; }
  .panel-credit-item .plan-button { grid-column: 1 / -1; width: 100%; }
  .billing-tabs { grid-template-columns: repeat(3, 1fr); }
  .billing-tabs button { min-height: 52px; padding: 0 5px; font-size: 12px; }
}

.admin-page { min-height: 100vh; background: var(--soft); }
.admin-shell { width: min(1280px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 80px; }
.admin-header { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line-dark); padding-bottom: 22px; }
.admin-header > span { color: var(--muted); font-size: 12px; font-weight: 750; }
.admin-intro { max-width: 850px; padding: 100px 0 58px; }
.admin-intro h1 { margin: 12px 0 24px; font-size: clamp(58px, 8vw, 112px); line-height: 0.9; }
.admin-intro > p:last-child { max-width: 640px; color: var(--ink-soft); font-size: 16px; }
.admin-access { max-width: 660px; border-top: 1px solid var(--ink); padding-top: 22px; }
.admin-access form { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: end; }
.admin-access label { display: grid; gap: 9px; color: var(--ink-soft); font-size: 12px; font-weight: 750; }
.admin-access input { width: 100%; height: 52px; border: 1px solid var(--line-dark); padding: 0 14px; background: #fff; }
.admin-access .button { min-height: 52px; }
.admin-access p { grid-column: 1 / -1; min-height: 20px; margin: 0; font-size: 12px; }
.admin-access p.error { color: #9e2218; }
.admin-summary { margin-top: 74px; }
.admin-meta { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--ink); padding-bottom: 16px; }
.admin-meta > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.admin-meta time { color: var(--muted); font-size: 12px; }
.admin-meta .text-button { margin-left: auto; }
.admin-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 0; border-left: 1px solid var(--ink); }
.admin-grid article { min-height: 205px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 22px; background: #fff; }
.admin-grid article:nth-child(1), .admin-grid article:nth-child(5) { background: var(--ink); color: #fff; }
.admin-grid span { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.admin-grid article:nth-child(1) span, .admin-grid article:nth-child(5) span { color: var(--signal); }
.admin-grid strong { display: block; margin-top: 52px; font-family: var(--serif); font-size: clamp(32px, 3.2vw, 50px); font-weight: 500; line-height: 0.95; }
.admin-grid p { margin: 12px 0 0; font-size: 11px; line-height: 1.4; }
.admin-grid article:nth-child(1) p, .admin-grid article:nth-child(5) p { color: rgba(255, 255, 255, 0.6); }
@media (max-width: 900px) { .admin-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) {
  .admin-shell { width: min(100% - 32px, 1280px); }
  .admin-intro { padding: 70px 0 42px; }
  .admin-access form { grid-template-columns: 1fr; }
  .admin-access .button { width: 100%; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-grid article { min-height: 170px; }
  .admin-grid strong { margin-top: 34px; }
}

/* Studio Slate V8: a quieter, material-led system for the live product. */
:root {
  color-scheme: dark light;
  --ink: #1a1b1c;
  --ink-soft: #56585a;
  --muted: #787a7d;
  --paper: #fdfdfc;
  --soft: #f3f3f1;
  --line: #dedddb;
  --line-dark: #b9b7b2;
  --aubergine: #151617;
  --teal: #a64d3e;
  --teal-soft: #ebeae7;
  --coral: #ad5947;
  --coral-dark: #873f32;
  --green: #a64d3e;
  --signal: #c56a54;
  --signal-dark: #964438;
  --metal: #e5e3df;
  --berry: #151617;
}

body { background: var(--paper); color: var(--ink); }
body::selection { background: #e8c6bf; color: var(--ink); }
p { color: var(--muted); }
.scroll-progress { height: 3px; }
.scroll-progress span { background: var(--coral); }

.site-header {
  min-height: 74px;
  border-bottom-color: rgba(255, 255, 255, 0.12);
  background: rgba(21, 22, 23, 0.86);
  color: #f9f8f5;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.site-header.scrolled { box-shadow: 0 14px 35px rgba(0, 0, 0, 0.24); }
.brand-symbol i { background: #f9f8f5; }
.brand-symbol i:nth-child(2) { background: #f9f8f5; }
.brand-symbol::after { background: var(--coral); }
.brand-lockup small { border-left-color: rgba(255, 255, 255, 0.32); color: rgba(255, 255, 255, 0.56); }
.nav { gap: clamp(18px, 2.25vw, 34px); color: rgba(255, 255, 255, 0.72); font-size: 12px; }
.nav a:hover { color: #fff; }
.nav a::after { background: var(--coral); }
.account-button, .text-button { color: rgba(255, 255, 255, 0.68); }
.account-button:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.billing-button, .button, .plan-button {
  min-height: 46px;
  border-color: currentColor;
  border-radius: 4px;
  box-shadow: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.billing-button { min-width: 104px; border-color: var(--coral); background: var(--coral); color: #fff; }
.billing-button::before { display: none; }
.billing-button:hover { border-color: #cf7967; background: #c06754; box-shadow: 0 10px 24px rgba(173, 89, 71, 0.22); }
.button { border-color: rgba(255, 255, 255, 0.34); background: transparent; color: inherit; }
.button.primary, .plan-button.primary { border-color: var(--coral); background: var(--coral); color: #fff; }
.button:hover, .plan-button:hover { box-shadow: none; transform: translateY(-1px); }
.button.primary:hover, .plan-button.primary:hover { background: #c06754; }
.button:focus-visible, .plan-button:focus-visible, .billing-button:focus-visible, input:focus-visible, summary:focus-visible, .menu-toggle:focus-visible, .panel-close:focus-visible, .billing-tabs button:focus-visible, .code-tabs button:focus-visible, .copy-icon:focus-visible { outline-color: rgba(197, 106, 84, 0.68); }

.hero {
  min-height: min(920px, 100svh);
  border-bottom: 0;
  padding: clamp(140px, 18vh, 205px) var(--gutter) 112px;
  background: #151617;
  color: #fbfaf8;
}
.hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent 72%);
}
.hero::after {
  position: absolute;
  right: 7vw;
  bottom: 17%;
  width: min(35vw, 480px);
  height: min(35vw, 480px);
  border: 1px solid rgba(197, 106, 84, 0.32);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 54px rgba(197, 106, 84, 0.035), 0 0 0 109px rgba(197, 106, 84, 0.025);
}
.hero-copy { max-width: 960px; }
.hero h1 { max-width: 780px; margin-bottom: 30px; color: #fbfaf8; font-family: var(--serif); font-size: clamp(64px, 8vw, 124px); font-weight: 500; letter-spacing: 0; line-height: 0.87; }
.hero h1 span { display: block; }
.hero-copy > p { max-width: 535px; color: rgba(255, 255, 255, 0.64); font-size: clamp(16px, 1.35vw, 19px); line-height: 1.62; }
.hero-actions { gap: 10px; }
.hero-actions .primary { border-color: var(--coral); background: var(--coral); }
.hero-actions .secondary { border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.hero-network { z-index: 2; right: -1%; bottom: 14%; left: 45%; height: 57%; opacity: 0.88; }
.hero-network::before { display: none; }
.hero-network-fallback { opacity: 0.22; }
.network-caption { border-color: rgba(255,255,255,0.2); background: rgba(21,22,23,0.74); color: #fff; }
.network-caption span { color: rgba(255,255,255,0.5); }
.network-caption i { background: var(--coral); }
.signal { border-color: #151617; background: var(--coral); box-shadow: 0 0 0 0 rgba(197,106,84,0.32); }
.hero-rail {
  right: var(--gutter);
  bottom: 28px;
  left: var(--gutter);
  border-color: rgba(255, 255, 255, 0.17);
  border-radius: 0;
  background: transparent;
}
.hero-rail > span { min-height: 48px; color: rgba(255, 255, 255, 0.56); font-size: 11px; }
.hero-rail > span:first-child { color: #fff; }
.hero-rail > span + span { border-left-color: rgba(255, 255, 255, 0.13); }
.status-dot { background: var(--coral); }
.status-dot.online { background: #d48b7d; box-shadow: 0 0 0 4px rgba(212, 139, 125, 0.16); }

.gateway-intro { min-height: auto; grid-template-columns: 0.28fr 1.3fr; gap: 44px 82px; padding-top: 132px; padding-bottom: 132px; }
.section-index { color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: 0.1em; }
.gateway-statement h2, .section-heading h2, .billing-heading h2, .about-title h2 { letter-spacing: 0; }
.gateway-statement h2 { max-width: 920px; font-size: clamp(52px, 6.2vw, 94px); line-height: 0.93; }
.gateway-statement > p { max-width: 620px; margin-left: 0; font-size: 16px; line-height: 1.75; }
.gateway-map { gap: 16px; border-color: var(--line); padding: 25px 0; color: var(--muted); }
.gateway-map i { background: var(--line-dark); }
.gateway-map i::after { border-color: var(--coral); }
.gateway-map strong { color: var(--ink); font-size: 23px; }

.delivery-section { background: #191a1b; color: #f8f7f5; }
.delivery-heading h2 { color: #f8f7f5; }
.delivery-heading > p:last-child, .delivery-ledger p { color: rgba(255,255,255,0.57); }
.delivery-section .section-index, .delivery-ledger span { color: #d48675; }
.delivery-ledger { border-top-color: rgba(255,255,255,0.18); }
.delivery-ledger article { border-bottom-color: rgba(255,255,255,0.14); }
.delivery-ledger h3 { color: #f8f7f5; }
.delivery-ledger strong { color: rgba(255,255,255,0.88); }

.journey-section { border-color: var(--line); padding-top: 122px; background: var(--paper); }
.section-heading h2 { font-size: clamp(54px, 6.8vw, 98px); line-height: 0.9; }
.journey-line { border-bottom-color: var(--line-dark); }
.journey-line::before, .journey-line::after { background: var(--coral); }
.journey-line span { border-color: var(--paper); background: var(--coral); box-shadow: 0 0 0 1px var(--coral); }
.journey-step { min-height: 256px; padding-top: 32px; }
.journey-step > span { color: var(--coral); font-size: 45px; }
.journey-step h3 { font-size: 27px; }

.product-stage { padding-top: 132px; padding-bottom: 132px; background: #eeece9; }
.product-stage .section-heading { max-width: 780px; }
.product-stage .section-heading > p:last-child { max-width: 560px; color: var(--ink-soft); }
.product-demo { gap: clamp(26px, 5vw, 72px); }
.code-window, .account-preview { border-color: rgba(26,27,28,0.25); border-radius: 6px; box-shadow: 0 20px 48px rgba(42, 39, 36, 0.08); }
.code-window { background: #1a1b1c; color: #f8f7f5; }
.code-window header { border-bottom-color: rgba(255,255,255,0.12); }
.code-tabs button { color: rgba(255,255,255,0.58); }
.code-tabs button.active { border-bottom-color: var(--coral); color: #fff; }
.copy-icon { border-color: rgba(255,255,255,0.18); }
.copy-icon i::before, .copy-icon i::after { border-color: rgba(255,255,255,0.72); }
.route-line { border-bottom-color: rgba(255,255,255,0.12); }
.route-line span { color: #dc9688; }
.route-line strong { color: #d48675; }
.code-window pre { color: rgba(255,255,255,0.76); }
.code-window footer { border-top-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.58); }
.account-preview { background: #fdfdfc; }
.account-preview > header { border-bottom-color: var(--line); }
.usage-bar { background: #e4e1dc; }
.usage-bar i { background: var(--coral); }
.active-state i { background: var(--coral); box-shadow: 0 0 0 4px rgba(197,106,84,0.16); }

.compatibility-section { background: var(--paper); }
.compatibility-copy h2 { line-height: 0.92; }
.compatibility-spec { border-top-color: var(--ink); }
.compatibility-spec > div { border-bottom-color: var(--line); }
.compatibility-spec strong { color: var(--ink); }

.use-cases { padding-top: 126px; padding-bottom: 126px; border-top-color: var(--line); background: #171819; color: #f8f7f5; }
.use-cases .section-heading h2 { color: #f8f7f5; }
.use-cases .section-heading > p:last-child { color: rgba(255,255,255,0.57); }
.use-cases .section-index, .use-case > span, .use-case > i { color: #d48675; }
.use-case-list { border-top-color: rgba(255,255,255,0.3); }
.use-case { border-bottom-color: rgba(255,255,255,0.16); }
.use-case:hover { background: rgba(255,255,255,0.05); }
.use-case h3 { color: #f8f7f5; }
.use-case p { color: rgba(255,255,255,0.57); }

.security-section { grid-template-columns: 180px 0.8fr 1.2fr; background: #efedea; }
.security-orbit { width: 150px; height: 150px; border-color: rgba(26,27,28,0.25); }
.security-orbit span { width: 54px; height: 54px; border-color: var(--coral); background: #1a1b1c; }
.security-orbit i { background: var(--coral); box-shadow: 0 0 0 1px var(--coral); }
.security-orbit i:nth-child(2) { left: 66px; }
.security-orbit i:nth-child(3) { background: #1a1b1c; box-shadow: 0 0 0 1px #1a1b1c; }
.security-orbit i:nth-child(4) { box-shadow: 0 0 0 1px var(--coral); }
.security-copy h2 { line-height: 0.92; }
.security-list { border-top-color: rgba(26,27,28,0.32); }
.security-list > div { border-bottom-color: rgba(26,27,28,0.17); }
.security-list span { color: var(--coral); }

.usage-section { background: var(--paper); }
.usage-heading h2 { line-height: 0.92; }
.token-equation { border-color: var(--line-dark); }
.token-equation > div { background: #f7f6f4; }
.token-equation .total { background: #e8c9c1; }
.token-equation strong { color: var(--ink); }
.usage-rules { border-top-color: var(--ink); }
.usage-rules article { border-bottom-color: var(--line); }
.usage-rules span { color: var(--coral); }

.billing-section { padding-top: 132px; padding-bottom: 132px; background: #171819; color: #f9f8f5; }
.billing-heading h2 { color: #f9f8f5; }
.billing-heading > p:last-child { color: rgba(255,255,255,0.56); }
.billing-heading .section-index { color: #d48675; }
.billing-section-label > span { color: #f9f8f5; }
.billing-section-label p { color: rgba(255,255,255,0.53); }
.email-field { max-width: 640px; color: #f9f8f5; }
.email-field input, .account-lookup-form input { border-color: rgba(255,255,255,0.35); border-radius: 4px; background: transparent; color: #fff; }
.email-field input::placeholder { color: rgba(255,255,255,0.38); }
.plan-table { border-color: rgba(255,255,255,0.22); }
.plan-column { min-height: 430px; border-color: rgba(255,255,255,0.18); background: transparent; }
.plan-column + .plan-column { border-left-color: rgba(255,255,255,0.18); }
.plan-column.optional-plan { background: rgba(255,255,255,0.045); }
.plan-column header span, .plan-price span, .plan-column li { color: rgba(255,255,255,0.55); }
.plan-column h3, .plan-limit { color: #f9f8f5; }
.plan-price strong { color: #f9f8f5; }
.plan-column li::before { color: #d48675; }
.plan-column.featured::before { height: 3px; background: var(--coral); }
.plan-column.selected { background: rgba(197,106,84,0.13); box-shadow: inset 0 0 0 1px rgba(197,106,84,0.8); }
.plan-column.selected .plan-limit { color: #fff; }
.plan-button { border-color: rgba(255,255,255,0.42); background: transparent; color: #fff; }
.plan-button:hover { border-color: var(--coral); background: var(--coral); }
.checkout-rail { border-bottom-color: rgba(255,255,255,0.18); color: rgba(255,255,255,0.56); }
.billing-legal { color: rgba(255,255,255,0.5); }
.billing-legal a { color: #e5a194; }
.credit-sale { border-color: rgba(26,27,28,0.35); background: #e8c9c1; }
.credit-grid { border-color: rgba(26,27,28,0.35); }
.credit-card, .credit-contact-card { border-color: rgba(26,27,28,0.35); border-radius: 0; }
.credit-card:hover, .credit-card.selected { background: #1a1b1c; color: #fff; }
.credit-card > span, .credit-contact-card > span, .credit-contact-card i { color: var(--coral); }
.credit-button { border-color: rgba(26,27,28,0.5); border-radius: 3px; }
.credit-button:hover { border-color: var(--coral); background: var(--coral); }
.credit-contact-card { background: #e4e1dc; }

.account-section { border-color: var(--line); background: #f2f1ef; }
.account-intro h2 { line-height: 0.9; }
.account-entry { border-top-color: var(--ink); }
.account-entry-copy > span, .account-hub-header > span { color: var(--coral); }
.web-register-form input, .web-login-form input, .web-activate-form input { border-color: var(--line-dark); border-radius: 3px; }
.web-register-form .button, .web-login-form .button, .web-activate-form .button { border-color: var(--ink); background: var(--ink); color: #fff; }
.activate-account { border-top-color: var(--line-dark); }
.result-usage-bar { background: #dfdcd8; }
.result-usage-bar i { background: var(--coral); }

.operator-section { background: #171819; }
.operator-title h2 { color: #f9f8f5; }
.operator-title > p:last-child, .operator-grid p { color: rgba(255,255,255,0.55); }
.operator-title .section-index, .operator-grid span { color: #d48675; }
.operator-grid { border-color: rgba(255,255,255,0.18); }
.operator-grid article { border-color: rgba(255,255,255,0.18); }
.operator-grid h3 { color: #f9f8f5; }

.about-section { background: var(--paper); }
.about-title h2 { max-width: 1040px; line-height: 0.91; }
.principles { border-top-color: var(--ink); }
.principles article { border-bottom-color: var(--line); }
.principles span { color: var(--coral); }
.closing-section { border-top-color: var(--line); }
.faq-block { background: #eeece9; }
.contact-block { background: #1a1b1c; }
.contact-block .section-index { color: #d48675; }
.contact-block a:hover { color: #e5a194; }
.footer { border-top-color: rgba(255,255,255,0.16); background: #151617; color: #f9f8f5; }
.footer p, .footer nav { color: rgba(255,255,255,0.48); }
.footer .brand-symbol i { background: #f9f8f5; }

.billing-panel { width: min(700px, 100%); background: #fbfaf8; box-shadow: -26px 0 76px rgba(0,0,0,0.34); }
.billing-panel::backdrop { background: rgba(11,12,13,0.68); backdrop-filter: blur(4px); }
.billing-panel-shell { padding: 46px 48px 70px; }
.billing-panel-shell > header p { color: var(--coral); }
.billing-panel-shell > header h2 { font-size: 70px; }
.panel-close { color: var(--ink); }
.billing-tabs { margin-top: 36px; border-bottom-color: var(--line-dark); }
.billing-tabs button { color: var(--muted); font-size: 12px; }
.billing-tabs button.active { color: var(--ink); }
.billing-tabs button.active::after { background: var(--coral); }
.panel-subscription-form .email-field { color: var(--ink); }
.panel-subscription-form .email-field input { border-color: var(--line-dark); background: #fff; color: var(--ink); }
.selected-offer-banner { border-color: #d8aaa0; background: #f0d8d2; }
.selected-offer-banner > span { color: var(--coral-dark); }
.selected-offer-banner > p { color: var(--ink); }
.panel-plan-list { border-top-color: var(--line-dark); }
.panel-plan-list article, .panel-credit-item { border-bottom-color: var(--line); }
.panel-plan-list article.selected, .panel-credit-item.selected { background: #f6e6e1; box-shadow: inset 3px 0 0 var(--coral); }
.panel-plan-list > article > strong, .panel-credit-item > strong { color: var(--coral-dark); }
.panel-plan-list .plan-button, .panel-credit-item .plan-button { border-color: var(--ink); background: var(--ink); color: #fff; }
.panel-plan-list .plan-button:hover, .panel-credit-item .plan-button:hover { border-color: var(--coral); background: var(--coral); }
.panel-checkout-state { color: var(--muted); }
.panel-microcopy { border-top-color: var(--line); }
.billing-panel .text-button { color: var(--ink-soft); }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header .nav { background: #151617; color: #f9f8f5; }
  .site-header .nav a { border-bottom-color: rgba(255,255,255,0.15); }
  .hero-network { left: 39%; }
  .security-section { grid-template-columns: 130px 1fr; }
  .security-list { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  .site-header { min-height: 64px; }
  .nav { background: #151617; color: #f9f8f5; }
  .menu-toggle span { background: #f9f8f5; }
  .hero { min-height: 760px; padding-top: 132px; padding-bottom: 158px; }
  .hero::before { background-size: 42px 42px; }
  .hero::after { right: 20%; bottom: 20%; width: 210px; height: 210px; box-shadow: 0 0 0 28px rgba(197,106,84,0.04), 0 0 0 56px rgba(197,106,84,0.025); }
  .hero h1 { max-width: 100%; font-size: clamp(30px, 11.8vw, 50px); line-height: 0.9; }
  .hero-network { right: -18%; bottom: 120px; left: 18%; height: 270px; opacity: 0.62; }
  .hero-rail { grid-template-columns: 1fr 1fr; bottom: 22px; }
  .hero-rail > span { min-height: 43px; border-bottom: 1px solid rgba(255,255,255,0.13); }
  .hero-rail > span:nth-child(odd) { border-left: 0; }
  .hero-rail > span + span { border-left-color: rgba(255,255,255,0.13); }
  .gateway-intro { grid-template-columns: 1fr; gap: 24px; padding-top: 84px; padding-bottom: 84px; }
  .gateway-map { grid-column: 1; grid-template-columns: 1fr; gap: 10px; }
  .gateway-map i { width: 1px; height: 26px; margin-left: 6px; }
  .gateway-map i::after { top: auto; right: -3px; bottom: 0; transform: rotate(135deg); }
  .delivery-section, .journey-section, .product-stage, .use-cases, .billing-section { padding-top: 84px; padding-bottom: 84px; }
  .product-demo { gap: 28px; }
  .security-section { grid-template-columns: 1fr; padding-top: 78px; padding-bottom: 78px; }
  .security-orbit { margin-bottom: 10px; }
  .billing-heading { gap: 22px; }
  .plan-column { min-height: 355px; }
  .account-section, .about-section { padding-top: 84px; padding-bottom: 84px; }
  .billing-panel-shell { padding: 30px 20px 54px; }
  .billing-panel-shell > header h2 { font-size: 58px; }
  .billing-tabs { margin-top: 28px; }
  .panel-plan-list article, .panel-credit-item { background: transparent; }
}
