/* Shared ArcLedger website identity, extracted from the approved landing. */
@font-face {
  font-family: "Frank Ruhl Libre";
  src: url("assets/fonts/frank-ruhl-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/source-sans-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/source-sans-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #f5f8f8;
  --surface: #ffffff;
  --ink: #14263d;
  --muted: #43566c;
  --line: #ccd8dd;
  --accent: #4678a5;
  --accent-hover: #315a80;
  --human: #4a759c;
  --agent: #9b7040;
  --sans: "Source Sans 3", Arial, sans-serif;
  --serif: "Frank Ruhl Libre", Georgia, serif;
  --mono: "Courier New", monospace;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --header-height: 80px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; scrollbar-color: #96adb9 var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; text-underline-offset: 4px; }
button, select { font: inherit; color: inherit; }
button, summary { cursor: pointer; }
button:disabled { cursor: default; }
a, button, select, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { color: #162c3c; background: #c6ddeb; }
[hidden] { display: none !important; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2 { color: #0c111a; font-family: var(--serif); font-weight: 700; letter-spacing: -.035em; line-height: 1.08; text-wrap: balance; }
h2 { font-size: clamp(36px, 4vw, 58px); }
h3 { font-size: 24px; font-weight: 600; letter-spacing: -.02em; line-height: 1.3; }
em { font-style: normal; }
p { color: var(--muted); }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1320px, calc(100% - clamp(40px, 9.2vw, 144px))); margin-inline: auto; }
.section { padding-block: clamp(64px, 7vw, 112px); }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 30; padding: 10px 18px; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 28px; position: relative; z-index: 5; }
.brand { display: inline-flex; flex-shrink: 0; }
.brand-logo { width: clamp(194px, 21vw, 244px); height: auto; }
.site-header nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 38px); margin-left: auto; font-size: 15px; }
.site-header nav a, .header-cta { display: inline-flex; align-items: center; min-height: 44px; }
.site-header a:hover, .footer-nav a:hover { color: var(--accent); }
.header-cta { font-size: 14px; gap: 10px; }
.header-cta span { display: none; }
.button, .next-step {
  display: inline-flex; align-items: center; justify-content: center; gap: 24px;
  border: 0; border-radius: 6px; min-height: 48px; padding: 13px 24px;
  color: #fff; background: var(--accent); font: 600 16px/1.4 var(--sans);
  transition: background-color 160ms, box-shadow 220ms, transform 220ms var(--ease-out);
}
.button:hover, .next-step:hover { background: var(--accent-hover); box-shadow: 0 5px 16px #284e6f20; }
.button:active, .next-step:active { transform: translateY(1px); }
.button:disabled { background: #dce5e9; color: #52616c; box-shadow: none; }
.button:disabled:active { transform: none; }
.release-action { margin-top: auto; padding-top: 8px; max-width: 100%; }
.release-action > .button { margin-top: 0; max-width: 100%; }
.availability-note { margin-top: 10px; color: var(--muted); font-size: 15px; line-height: 1.5; }
.availability-note code { overflow-wrap: anywhere; }
.inline-link, .text-link { color: var(--accent-hover); text-decoration: underline; }
.text-button { border: 0; padding: 10px 0; background: none; font-size: 15px; }
.coral-text { color: var(--accent-hover); }
.muted { color: var(--muted); }
.mono { font-size: 12px; letter-spacing: .03em; }

/* Shared pricing folio and site footer. */
.next-step { margin-top: 10px; min-height: 44px; padding: 10px 22px; font-size: 15px; }
.plans-grid { position: relative; isolation: isolate; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-block: 36px 28px; background: var(--surface); border-radius: 8px; box-shadow: 0 14px 40px #203b4d0b; }
.plans-grid::before { content: ""; position: absolute; top: 32px; bottom: 32px; left: 50%; width: 1px; background: var(--line); pointer-events: none; }
.plans-grid::after { content: ""; position: absolute; z-index: -1; inset: 6px -5px -6px 5px; border-radius: 8px; background: var(--line); opacity: .45; rotate: .3deg; pointer-events: none; }
.plan-card { min-width: 0; padding: clamp(28px, 3vw, 48px); background: var(--surface); border-radius: 8px; }
.plan-card-pro h3 { color: var(--accent-hover); }
.np-plan-inner { height: 100%; display: flex; flex-direction: column; align-items: flex-start; }
.plan-card h3 { font: 600 32px/1.2 var(--serif); margin-bottom: 16px; }
.plan-card .np-plan-copy { font-size: 16px; min-height: 4em; max-width: 47ch; }
.plan-price { display: flex; align-items: baseline; gap: 10px; color: var(--muted); font-size: 15px; margin: 20px 0 8px; }
.plan-price strong { font: 700 52px/1.15 var(--serif); letter-spacing: -.03em; color: var(--ink); }
.plan-price-alt { font-size: 15px; }
.plan-features { padding: 0; list-style: none; margin: 24px 0; }
.plan-features li { font-size: 16px; padding-block: 6px; display: flex; align-items: baseline; gap: 12px; }
.plan-features li::before { content: "+"; color: var(--accent); flex-shrink: 0; }
.plan-card .checkout-link { margin-top: auto; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 40px; padding-block: 32px; border-top: 1px solid var(--line); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-left: auto; font-size: 14px; }
.footer-nav a { padding-block: 10px; }
.footer-legal { width: 100%; font-size: 13px; }
.copyright { margin-left: 12px; }

@media (min-width: 1601px) {
  :root {
    --header-height: clamp(80px, 5vw, 144px);
  }
  body { font-size: clamp(18px, calc(.5vw + 10px), 26px); }
  .wrap { width: calc(92vw - 152px); }
  .site-header { height: var(--header-height); }
  .brand-logo { width: clamp(244px, 15.25vw, 480px); }
  .site-header nav, .header-cta { font-size: clamp(15px, calc(.5vw + 7px), 22px); }
  .site-header nav { gap: clamp(38px, 2.4vw, 64px); }
  .button, .next-step { font-size: clamp(17px, .8vw, 22px); min-height: clamp(48px, 2.7vw, 64px); padding: 14px 26px; }
  h2 { font-size: clamp(58px, 3.6vw, 88px); }
  .plan-price-alt, .plan-price { font-size: clamp(15px, .8vw, 22px); }
  .plan-card h3 { font-size: clamp(32px, 1.8vw, 52px); }
  .plan-card .np-plan-copy, .plan-features li { font-size: clamp(18px, calc(.5vw + 10px), 26px); }
  .plan-card .np-plan-copy { min-height: 4.6em; }
  .plan-price strong { font-size: clamp(52px, 3vw, 96px); }
  .plan-features li { padding-block: 9px; }
  .footer-nav { font-size: clamp(14px, .75vw, 22px); }
  .footer-legal { font-size: clamp(13px, .6vw, 18px); }
}
@media (max-width: 1100px) {
  .site-header { gap: 24px; }
  .site-header nav { gap: 30px; font-size: 16.5px; }
  .header-cta { font-size: 16.5px; }
}
@media (max-width: 900px) {
  .brand-logo { width: 180px; }
  .site-header { gap: 20px; }
  .site-header nav { gap: 16px; font-size: 14px; }
  .header-cta { font-size: 14px; }
}
@media (max-width: 900px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { height: auto; flex-wrap: wrap; padding-block: 16px 4px; gap: 2px 20px; }
  .site-header nav { order: 3; margin-left: 0; width: 100%; justify-content: flex-start; flex-wrap: wrap; gap: 0 22px; font-size: 14px; }
  .header-cta { margin-left: auto; font-size: 15px; }
  .plans-grid { gap: 0; }
  .plan-card .np-plan-copy { min-height: 104px; font-size: 16px; }
  .plan-features li { font-size: 16px; }
  .site-footer { gap: 16px; }
  .footer-nav { margin-left: 0; width: 100%; gap: 2px 22px; font-size: 14px; }
  .footer-legal { font-size: 13px; }
  .copyright { display: block; margin: 6px 0 0; }
}
@media (max-width: 700px) {
  .plans-grid { grid-template-columns: 1fr; gap: 20px; background: none; box-shadow: none; }
  .plans-grid::before, .plans-grid::after { display: none; }
  .plan-card { box-shadow: 0 8px 24px #203b4d09; }
  .plan-card .np-plan-copy { min-height: 0; }
}
@media (max-width: 480px) {
  .site-header nav { gap: 0 16px; }
  .plans-grid { grid-template-columns: 1fr; gap: 20px; }
  .plan-card .np-plan-copy { min-height: 0; font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}