/* Foundation: shared by the public site, account and operator pages. */
:root {
  color-scheme: light;
  --ink: #202e32;
  --muted: #52636a;
  --accent: #09695f;
  --accent-hover: #064f48;
  --paper: #faf9f6;
  --surface: #fff;
  --soft: #edf4f1;
  --line: #d6dfda;
  --radius: 12px;
  --max: 1120px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: .6rem 0 1.5rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 1rem; }
h3 { font-size: 1.2rem; margin: .75rem 0; }
p { margin: 0 0 1rem; }
strong { font-weight: 650; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; overflow-wrap: anywhere; }
pre { max-width: 100%; overflow-x: auto; padding: 24px; border-radius: var(--radius); background: #172b2d; color: #edf7f2; line-height: 1.8; }
pre code { overflow-wrap: normal; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* Shell and navigation. */
.site-header, .site-footer, main { width: min(100% - 48px, var(--max)); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 1.15rem; font-weight: 750; white-space: nowrap; }
.brand-mark { background: var(--accent); color: white; padding: 3px 8px; border-radius: 7px; font-family: ui-monospace, monospace; font-size: .95rem; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; }
nav a { font-size: .9rem; color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; }
.site-footer { display: flex; justify-content: space-between; align-items: start; gap: 24px; border-top: 1px solid var(--line); margin-top: 64px; padding-block: 32px; }
.site-footer nav { justify-content: flex-end; }
.skip-link { position: absolute; top: -100px; left: 24px; z-index: 10; padding: 12px 20px; background: var(--surface); }
.skip-link:focus { top: 12px; }

/* Layout and type hierarchy. */
.page { padding-block: 64px; }
.narrow { max-width: 760px; padding-block: 64px; }
.page-heading { max-width: 760px; margin-bottom: 40px; }
.hero { padding-block: 88px 64px; max-width: 850px; }
.hero h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 65ch; }
.eyebrow { color: var(--accent); font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 750; }
.fine, .estimate-note { color: var(--muted); font-size: .9rem; }
.section { padding-block: 48px; border-top: 1px solid var(--line); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 24px; }
.steps, .plans, .card-grid { display: grid; gap: 20px; }
.steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.steps b { color: var(--accent); font: 600 .85rem ui-monospace, monospace; }
.steps p, .plan p { color: var(--muted); }
.card, .plan, .account-card { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--surface); }
.account-card { margin-bottom: 24px; }
.card-grid .account-card { margin: 0; }
.card h2, .account-card h2, .plan h2 { font-size: 1.4rem; }
.featured { border-color: var(--accent); background: var(--soft); }
.plan .tag { margin-bottom: 20px; }
.tag { display: inline-block; border: 1px solid var(--line); border-radius: 100px; padding: 3px 10px; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; color: var(--accent); }
.tag.muted { color: var(--muted); }
.resource-box, .notice { padding: 20px 24px; background: var(--soft); border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; margin-block: 24px; }
.notice { font-size: .9rem; }
.fingerprint { overflow-wrap: anywhere; font: .85rem/1.6 ui-monospace, monospace; color: var(--muted); }
.project-stat { display: flex; align-items: baseline; gap: 12px; color: var(--muted); }
.project-stat strong { color: var(--ink); font-size: 2rem; }

/* Buttons and forms: native controls, no JavaScript required for layout. */
.button, button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 18px; border: 1px solid var(--accent); border-radius: 7px; background: var(--accent); color: white; font: 650 .95rem/1.4 system-ui, sans-serif; text-decoration: none; cursor: pointer; }
.button:hover, button:hover { background: var(--accent-hover); color: white; }
.button.secondary { background: transparent; color: var(--accent); }
.button.secondary:hover { background: var(--soft); }
button:disabled { opacity: .6; cursor: not-allowed; }
.form-page { max-width: 480px; padding-block: 64px; }
.form-page h1 { font-size: 2.4rem; }
form { margin: 0; }
.form-page form, .stack-form { display: grid; gap: 12px; margin-block: 24px; }
label { font-weight: 600; }
input:not([type="checkbox"]):not([type="radio"]), select, textarea { width: 100%; min-width: 0; padding: 12px; font: inherit; border: 1px solid #83958d; border-radius: 7px; background: var(--surface); color: var(--ink); }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
.checkbox-label { display: flex; align-items: start; gap: 10px; margin-block: 20px; font-weight: 400; }
.error { padding: 16px; color: #8e2424; background: #fff0ee; border: 1px solid #d99a92; border-radius: 7px; }

/* Documentation and operational data. */
.docs-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 48px; padding-block: 64px; }
.docs-nav { align-self: start; position: sticky; top: 24px; }
.docs-nav nav { display: grid; gap: 12px; }
.docs-content { min-width: 0; max-width: 800px; }
.docs-content section { padding-block: 32px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.onboarding { padding-left: 24px; }
.onboarding li { padding: 12px 0; }
.onboarding b { display: block; }
.onboarding code { display: block; background: var(--soft); padding: 12px; margin-top: 8px; overflow-x: auto; }
.operator-toolbar { padding: 16px; background: var(--soft); border-radius: var(--radius); margin-bottom: 32px; }
.table-scroll { max-width: 100%; overflow-x: auto; margin-bottom: 32px; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: .9rem; background: var(--surface); }
caption { text-align: left; padding: 16px; font-weight: 700; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); font-weight: 650; }
td code { overflow-wrap: anywhere; }

@media (max-width: 800px) {
  .site-header, .site-footer { align-items: start; flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
  .steps, .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .docs-nav { position: static; }
  .docs-nav nav { display: flex; }
}
@media (max-width: 520px) {
  .site-header, .site-footer, main { width: calc(100% - 32px); }
  .site-header nav { gap: 12px 16px; }
  .hero { padding-block: 56px 40px; }
  .page, .narrow, .form-page, .docs-layout { padding-block: 40px; }
  .steps, .plans, .card-grid { grid-template-columns: minmax(0, 1fr); }
  .card, .plan, .account-card { padding: 20px; }
  pre { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}