/* ---------------------------------------------------------------
   LocalPref design system — signup-v1 build.
   §A (tokens → .rise-4) is copied verbatim from
   localpref-website/src/styles/global.css. Do not edit §A here;
   change it upstream and re-copy.
   §B adds the primitives this app needs. Spec:
   docs/superpowers/specs/2026-08-28-theme-migration-design.md §4
   --------------------------------------------------------------- */
@import url('/assets/fonts.css');
:root {
  /* color */
  --ink: #10226e;             /* brand blue */
  --ink-raised: #1a2e80;
  --ink-line: #2c3e91;
  --paper: #f8f9fa;           /* brand grey */
  --paper-raised: #ffffff;
  --paper-line: #e2e5ec;
  --text-on-ink: #f8f9fa;
  --muted-on-ink: #a7b1d8;
  --text-on-paper: #141c3d;
  --muted-on-paper: #545d78;
  --accent: #9db3ff;          /* light brand tint: signal accent on navy */
  --accent-deep: #10226e;     /* brand blue: accent on grey */
  --accent-ghost: rgba(157, 179, 255, 0.14);
  --green: #46c37e;          /* "available" on navy */
  --green-deep: #1e6f46;     /* "available" on grey */

  /* type */
  --font-display: 'Archivo Variable', 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3125rem;
  --step-2: 1.75rem;
  --step-3: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  --step-4: clamp(2.6rem, 1.7rem + 4vw, 4.5rem);

  /* rhythm */
  --space-section: clamp(4.5rem, 3rem + 5vw, 8rem);
  --content-width: 71rem;
  --radius: 14px;
  --radius-lg: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-on-paper);
  font-family: var(--font-display);
  font-size: var(--step-0);
  line-height: 1.6;
  font-variation-settings: 'wght' 420;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

::selection {
  background: var(--accent);
  color: var(--ink);
}

/* ------- shared primitives ------- */

.container {
  width: min(100% - 3rem, var(--content-width));
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
}

.on-ink .eyebrow {
  color: var(--accent);
}

.eyebrow::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
  margin: 0 0 1rem;
  font-variation-settings: 'wght' 740;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; }

p {
  margin: 0 0 1rem;
  max-width: 62ch;
}

.lede {
  font-size: var(--step-1);
  line-height: 1.45;
  font-variation-settings: 'wght' 440;
  color: var(--muted-on-paper);
  max-width: 46ch;
}

.on-ink .lede { color: var(--muted-on-ink); }

/* ------- buttons ------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-variation-settings: 'wght' 640;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.85rem 1.7rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn:active { transform: translateY(1px); }

.btn-signal {
  background: var(--accent-deep);
  color: #ffffff;
}

.btn-signal:hover {
  background: #1a2e80;
}

/* On navy grounds the primary button flips to filled white. */
.on-ink .btn-signal {
  background: #ffffff;
  color: var(--ink);
}

.on-ink .btn-signal:hover {
  background: #dfe6ff;
}

.btn-ghost {
  border-color: var(--paper-line);
  color: var(--text-on-paper);
  background: transparent;
}

.btn-ghost:hover { border-color: var(--text-on-paper); }

.on-ink .btn-ghost {
  border-color: var(--ink-line);
  color: var(--text-on-ink);
}

.on-ink .btn-ghost:hover { border-color: var(--muted-on-ink); }

/* ------- ink sections ------- */

.on-ink {
  background: var(--ink);
  color: var(--text-on-ink);
}

/* ------- mono data bits ------- */

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.datum {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted-on-paper);
}

.on-ink .datum { color: var(--muted-on-ink); }

/* ------- section scaffolding ------- */

.section {
  padding-block: var(--space-section);
}

.section-head {
  max-width: 44rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

/* ------- focus ------- */

/* The ring is coloured by the ground it lands on: --accent is the light tint
   for navy sections, --accent-deep the brand blue for paper (--accent only
   reaches ~2:1 against paper). Geometry is identical either way. */
:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

/* .skip-link is a sibling of the header rather than a descendant, so it has no
   .on-ink ancestor — but it lands on the ink header all the same. */
.on-ink :focus-visible,
.on-ink .chip:has(input:focus-visible),
.on-ink .plan:has(input:focus-visible),
.on-ink .seg:has(input:focus-visible),
.skip-link:focus-visible {
  outline-color: var(--accent);
}

/* ------- motion ------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.rise {
  animation: rise 640ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.rise-1 { animation-delay: 60ms; }
.rise-2 { animation-delay: 140ms; }
.rise-3 { animation-delay: 220ms; }
.rise-4 { animation-delay: 320ms; }

/* =================================================================
   §B — signup-v1 primitives
   ================================================================= */

:root {
  --caution: #8a5a00;
  --caution-bg: #fff5e3;
  --danger: #a8322d;
  --danger-bg: #fbeceb;
  --scrim: rgba(16, 34, 110, 0.72);
  --radius-field: 10px;
  --header-h: 4.25rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------- header ------- */

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--ink);
  padding: 0.5rem 1rem; font-family: var(--font-mono); font-size: 0.8rem; z-index: 60;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--ink-line);
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(10px);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: var(--header-h);
}
.site-header .brand img { display: block; width: 150px; height: auto; filter: invert(1); }
.site-header .help { display: flex; align-items: baseline; gap: 0.6rem; margin: 0; }
.site-header .help a { color: var(--text-on-ink); text-decoration: none; font-variation-settings: 'wght' 560; }
.site-header .help a:hover { color: var(--accent); }
@media (max-width: 520px) { .site-header .help .datum { display: none; } }

/* ------- hero ------- */

.hero {
  position: relative; overflow: visible; z-index: 2; /* results overlay <main>; .rise keeps a transform, so the hero needs its own layer */
  padding-block: clamp(2.5rem, 4vw, 4rem);
  background-image: radial-gradient(ellipse 60% 80% at 85% 10%, rgba(157, 179, 255, 0.08), transparent 60%);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center; gap: clamp(2rem, 5vw, 4rem);
}
.hero-inner:not(:has(.hero-aside > *)) { grid-template-columns: 1fr; }
.hero h1 { margin-bottom: 1rem; font-size: var(--step-3); }
.hero .lede { margin-bottom: 0; }
@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; } }

.constellation { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.3; pointer-events: none; }
.constellation .links line { stroke: var(--ink-line); stroke-width: 1.5; }
.constellation .route line { stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 8; animation: flow 1.6s linear infinite; }
.constellation .nodes circle { fill: var(--ink-raised); stroke: var(--ink-line); stroke-width: 1.5; }
.constellation .nodes .hot { stroke: var(--accent); }
.constellation .nodes .dest { fill: var(--accent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes flow { to { stroke-dashoffset: -14; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }
@media (max-width: 900px) { .constellation { opacity: 0.22; } }

/* ------- address qualifier (from AddressSearch.astro) ------- */

.qualifier {
  background: var(--ink-raised); border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg); padding: clamp(1.2rem, 3vw, 1.8rem); max-width: 34rem;
}
.qualifier > label {
  display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.8rem; font-weight: 500;
}
.qualifier { position: relative; z-index: 5; } /* stacks the results above main's sticky cards */
.qualifier .field-wrap { position: relative; display: flex; align-items: center; }
.qualifier .pin { position: absolute; left: 1rem; color: var(--muted-on-ink); pointer-events: none; }
.qualifier input {
  width: 100%; background: var(--ink); border: 1px solid var(--ink-line); border-radius: 12px;
  color: var(--text-on-ink); font-family: var(--font-display); font-size: var(--step-0);
  padding: 0.95rem 3rem 0.95rem 2.9rem; transition: border-color 140ms ease;
}
.qualifier input::placeholder { color: var(--muted-on-ink); }
.qualifier input:focus { outline: none; border-color: var(--accent); }
.qualifier .spinner { position: absolute; right: 1rem; }
/* Results float over whatever is below the hero (combobox pattern) so the hero never resizes. */
.qualifier .results {
  position: absolute; left: 0; right: 0; top: calc(100% + 0.5rem); z-index: 30;
  list-style: none; margin: 0; padding: 0.35rem; background: var(--ink);
  border: 1px solid var(--ink-line); border-radius: 12px; max-height: 16rem; overflow-y: auto;
  animation: rise 220ms ease both; scrollbar-width: thin; scrollbar-color: var(--ink-line) transparent;
}
.qualifier .results[hidden] { display: none; }
.qualifier .results li { list-style: none; margin: 0; }
.qualifier .results li + li { border-top: 1px solid color-mix(in srgb, var(--ink-line) 45%, transparent); }
.qualifier .results li {
  display: block; width: 100%; text-align: left; border-radius: 8px; color: var(--text-on-ink);
  font-size: var(--step--1); line-height: 1.4; padding: 0.7rem 0.9rem; cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.qualifier .results li:hover, .qualifier .results li:focus-visible { background: var(--accent-ghost); color: var(--accent); }
.qualifier .results li.muted { color: var(--muted-on-ink); cursor: default; }
.qualifier .results li.muted:hover { background: none; color: var(--muted-on-ink); }

.spinner {
  display: inline-block; width: 18px; height: 18px; border: 2px solid var(--paper-line);
  border-top-color: var(--accent-deep); border-radius: 50%; animation: spin 700ms linear infinite; flex: none;
}
.on-ink .spinner, .qualifier .spinner { border-color: var(--ink-line); border-top-color: var(--accent); }
.spinner.lg { width: 2.4rem; height: 2.4rem; border-width: 3px; }
.spinner[hidden] { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ------- footer ------- */

.site-footer { border-top: 1px solid var(--ink-line); padding-block: 1.6rem; margin-top: auto; }
.site-footer .baseline {
  display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem 2rem; flex-wrap: wrap;
}
.site-footer p { margin: 0; max-width: none; }
.site-footer a { color: var(--muted-on-ink); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .contact { display: inline-flex; gap: 0.55rem; flex-wrap: wrap; }

/* page skeleton: header / hero / main / footer, footer pinned to the bottom on short pages */
body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1 0 auto; }
main.section { padding-block: clamp(2.2rem, 2rem + 2vw, 3.5rem); }
/* ------- surfaces ------- */

.card {
  background: var(--paper-raised); border: 1px solid var(--paper-line);
  border-radius: var(--radius-lg); padding: clamp(1.2rem, 3vw, 1.8rem);
}
.card + .card { margin-top: 1.2rem; }
.card-title { font-size: var(--step-1); letter-spacing: -0.01em; margin: 0 0 1rem; font-variation-settings: 'wght' 740; }
.card-rows { list-style: none; margin: 0; padding: 0; }
.card-row {
  display: grid; grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr); gap: 0.4rem 1rem;
  padding: 0.7rem 0; border-top: 1px solid var(--paper-line); align-items: baseline;
}
.card-row:first-child { border-top: 0; padding-top: 0; }
.card-row:last-child { padding-bottom: 0; }
.card-row .datum { text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.12em; }
.card-row .val { font-size: var(--step--1); overflow-wrap: anywhere; }
.card-row .val.mono { font-size: 0.9rem; }
@media (max-width: 520px) { .card-row { grid-template-columns: 1fr; gap: 0.15rem; } }

.notice {
  background: var(--paper-raised); border: 1px solid var(--paper-line); border-left: 3px solid var(--accent-deep);
  border-radius: var(--radius); padding: 0.9rem 1.1rem; font-size: var(--step--1); margin: 0 0 1rem;
}
.notice p { margin: 0; max-width: none; }
.notice .notice-label {
  display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent-deep); margin-bottom: 0.3rem; font-weight: 500;
}
.notice-caution { border-left-color: var(--caution); background: var(--caution-bg); }
.notice-caution .notice-label { color: var(--caution); }
.notice-blocked { border-left-color: var(--danger); background: var(--danger-bg); }
.notice-blocked .notice-label { color: var(--danger); }
.notice-info { border-left-color: var(--accent-deep); }

.status-ok, .status-muted {
  display: inline-flex; align-items: center; gap: 0.5rem; font-variation-settings: 'wght' 560; font-size: var(--step--1);
}
.status-ok::before, .status-muted::before { content: ''; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--green-deep); flex: none; }
.status-muted { color: var(--muted-on-paper); }
.status-muted::before { background: var(--muted-on-paper); }

/* ------- forms ------- */

.field { display: grid; gap: 0.4rem; margin-bottom: 1.1rem; }
.field > label, .field-label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted-on-paper); display: flex; gap: 0.6rem; align-items: baseline;
}
.field > label .datum { text-transform: none; letter-spacing: 0.04em; font-size: 0.7rem; }
.field input, .field select, .field textarea, .stripe-el {
  width: 100%; background: var(--paper-raised); border: 1px solid var(--paper-line);
  border-radius: var(--radius-field); font-family: var(--font-display); font-size: var(--step-0);
  color: var(--text-on-paper); padding: 0.8rem 1rem; transition: border-color 140ms ease;
}
.field input::placeholder { color: var(--muted-on-paper); opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus, .stripe-el.StripeElement--focus { outline: none; border-color: var(--accent-deep); }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid .stripe-el, .stripe-el.StripeElement--invalid { border-color: var(--danger); }
.field.mono-input input { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.03em; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%23545d78' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.4rem; }
.field input[type="date"] { min-height: 3.3rem; }
.stripe-el { min-height: 3.3rem; display: flex; align-items: center; }
.stripe-el > .__PrivateStripeElement { width: 100%; }
.field-error, label.field-error { color: var(--danger); font-size: var(--step--1); font-family: var(--font-display); text-transform: none; letter-spacing: 0; font-variation-settings: 'wght' 480; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

.check { display: grid; grid-template-columns: 1.15rem 1fr; gap: 0.7rem; align-items: start; margin-bottom: 0.9rem; font-size: var(--step--1); cursor: pointer; }
.check input { appearance: none; width: 1.15rem; height: 1.15rem; margin: 0.15rem 0 0; border: 1px solid var(--paper-line); border-radius: 5px; background: var(--paper-raised); display: grid; place-content: center; cursor: pointer; transition: background 140ms ease, border-color 140ms ease; }
.check input::before { content: ''; width: 0.6rem; height: 0.6rem; transform: scale(0); background: #fff; clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%); transition: transform 120ms ease; }
.check input:checked { background: var(--accent-deep); border-color: var(--accent-deep); }
.check input:checked::before { transform: scale(1); }
.check a { color: var(--accent-deep); }
.check .field-error { grid-column: 1 / -1; }

.fineprint { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.02em; color: var(--muted-on-paper); line-height: 1.55; max-width: 62ch; }

.btn[disabled], .btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.55rem 1.1rem; }

/* ------- chips (ports, copper pairs, NTD type) ------- */

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; }
.chip {
  position: relative; display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.82rem; font-variant-numeric: tabular-nums;
  border: 1px solid var(--paper-line); background: var(--paper-raised); color: var(--text-on-paper);
  border-radius: 999px; padding: 0.5rem 0.95rem; cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}
.chip:hover { border-color: var(--text-on-paper); }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.chip .dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--green-deep); flex: none; }
.chip[data-state="in-use"] .dot { background: var(--muted-on-paper); }
.chip[data-state="install"] .dot { background: var(--caution); }
.chip[data-state="none"] .dot { display: none; }
.chip:has(input:checked) { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.chip:has(input:checked) .dot { background: var(--accent); }
.chip:has(input:focus-visible) { outline: 2px solid var(--accent-deep); outline-offset: 3px; }
.chip.disabled { opacity: 0.45; pointer-events: none; }
.chip .sub { font-family: var(--font-display); font-size: 0.78rem; color: inherit; opacity: 0.75; }

/* ------- plan cards ------- */

.plans { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin: 0 0 1.2rem; }
.plan {
  position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.2rem 1.1rem;
  background: var(--paper-raised); border: 1px solid var(--paper-line); border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem 1.2rem; cursor: pointer; overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.plan::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent-deep) 0%, transparent 70%);
  opacity: 0; transition: opacity 160ms ease;
}
.plan:hover::after { opacity: 0.5; }
.plan:has(input:checked) { border-color: var(--accent-deep); box-shadow: inset 0 0 0 1px var(--accent-deep); }
.plan:has(input:checked)::after { opacity: 1; }
.plan:has(input:focus-visible) { outline: 2px solid var(--accent-deep); outline-offset: 3px; }
.plan input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.plan .price { grid-row: 1 / span 3; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: var(--step-2); line-height: 1; font-weight: 500; color: var(--accent-deep); display: flex; flex-direction: column; gap: 0.25rem; padding-top: 0.1rem; }
.plan .price .per { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-on-paper); font-weight: 400; }
.plan .name { font-variation-settings: 'wght' 600; font-size: var(--step-0); line-height: 1.25; margin: 0; }
.plan .tes { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em; color: var(--muted-on-paper); margin: 0; }
.plan .docs { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 0.35rem 0 0; font-size: 0.78rem; }
.plan .docs a { color: var(--accent-deep); text-decoration: none; border-bottom: 1px solid var(--paper-line); }
.plan .docs a:hover { border-bottom-color: var(--accent-deep); }

/* ------- segmented control ------- */

.segmented { display: inline-flex; border: 1px solid var(--paper-line); border-radius: 999px; padding: 0.25rem; background: var(--paper-raised); margin: 0 0 1.2rem; }
.seg { position: relative; padding: 0.5rem 1.1rem; border-radius: 999px; font-size: var(--step--1); font-variation-settings: 'wght' 560; cursor: pointer; color: var(--muted-on-paper); transition: background 140ms ease, color 140ms ease; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.seg:has(input:checked) { background: var(--accent-deep); color: #fff; }
.seg:has(input:focus-visible) { outline: 2px solid var(--accent-deep); outline-offset: 2px; }
.seg .mono { font-size: 0.8rem; letter-spacing: 0.04em; }
.seg-panel[hidden] { display: none; }

/* ------- dialog ------- */

.lp-dialog { border: 1px solid var(--paper-line); border-radius: var(--radius-lg); background: var(--paper-raised); color: var(--text-on-paper); padding: 2rem; width: min(100% - 2rem, 26rem); text-align: center; }
.lp-dialog::backdrop { background: var(--scrim); backdrop-filter: blur(4px); }
.lp-dialog .icon { display: flex; justify-content: center; margin-bottom: 1rem; min-height: 72px; align-items: center; }
.lp-dialog h2 { font-size: var(--step-1); margin: 0 0 0.35rem; }
.lp-dialog p { margin: 0 auto; color: var(--muted-on-paper); font-size: var(--step--1); }

.mark-ok, .mark-err { width: 72px; height: 72px; }
.mark-ok svg, .mark-err svg { width: 72px; height: 72px; }
.mark-ok .circle, .mark-err .circle { fill: none; stroke-width: 3; stroke-dasharray: 166; stroke-dashoffset: 166; animation: anim-circle 0.6s ease-in-out forwards; }
.mark-ok .circle, .mark-ok .check { stroke: var(--green-deep); }
.mark-err .circle, .mark-err .x-mark { stroke: var(--danger); }
.mark-ok .check { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 48; stroke-dashoffset: 48; animation: anim-mark 0.3s 0.4s ease-in-out forwards; }
.mark-err .x-mark { fill: none; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 30; stroke-dashoffset: 30; animation: anim-mark 0.3s 0.4s ease-in-out forwards; }
@keyframes anim-circle { to { stroke-dashoffset: 0; } }
@keyframes anim-mark { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .mark-ok .circle, .mark-err .circle, .mark-ok .check, .mark-err .x-mark { stroke-dashoffset: 0; animation: none; }
  .constellation .route line, .constellation .nodes .dest { animation: none; }
}

/* ------- layout helpers ------- */

.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1.6rem; align-items: start; }
.split-aside { display: grid; gap: 1.2rem; }
.sticky { position: sticky; top: calc(var(--header-h) + 1rem); }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split-aside.first { order: -1; }
  .sticky { position: static; }
}

.step-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 1.6rem 0 0.8rem; }
.step-head h2 { font-size: var(--step-2); margin: 0; }
.step-head .eyebrow { margin: 0; }
.group-title { font-size: var(--step-1); margin: 1.2rem 0 0.5rem; }
.group-title .mono { font-size: 0.95rem; color: var(--muted-on-paper); font-weight: 500; }

.summary-bar { display: none; }
.summary-bar[hidden] { display: none !important; }
@media (max-width: 860px) {
  .summary-bar {
    display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.2rem 1rem; align-items: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    background: var(--paper-raised); border-top: 1px solid var(--paper-line);
    padding: 0.8rem 1.2rem calc(0.8rem + env(safe-area-inset-bottom));
  }
  .summary-bar .name { font-size: var(--step--1); font-variation-settings: 'wght' 560; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .summary-bar .price { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted-on-paper); margin: 0; }
  .summary-bar .btn { grid-row: 1 / span 2; }
  body:has(.summary-bar) main { padding-bottom: 6.5rem; }
}

ol.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
ol.steps li { display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.6rem; align-items: baseline; font-size: var(--step--1); }
ol.steps li::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; color: var(--accent-deep); }

/* ------- phase-4: classes replacing inline styles ------- */
.plan-summary .plan-name { font-variation-settings: 'wght' 600; margin: 0 0 0.3rem; }
.plan-summary .price-lg { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: var(--step-2); font-weight: 500; color: var(--accent-deep); margin: 0; line-height: 1; }
.plan-summary .price-lg .per { font-family: var(--font-mono); font-size: 0.7rem; margin-left: 0.5rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted-on-paper); }
.plan-summary .plan-tes { margin: 0.4rem 0 0.8rem; }
.plan-summary .fineprint { margin: 0 0 0.6rem; }
.docs-links { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 0; }
.docs-links a, .contact-links a { color: var(--accent-deep); }
.contact-links { display: flex; gap: 1rem; flex-wrap: wrap; margin: 0; }
.mt-card { margin-top: 1rem; }
.id-row { display: flex; gap: 1rem; align-items: center; justify-content: space-between; }
.id-row code { background: none; padding: 0; font-size: inherit; }
.inline-status { display: flex; gap: 0.6rem; align-items: center; margin: 1rem 0 0; }
.status-line { display: flex; gap: 0.6rem; align-items: center; }
.narrow { max-width: 46rem; }
.section-title-gap { margin-top: 1.6rem; }
.hero-eyebrow-status { margin: 0.6rem 0 0; min-height: 1.2em; }
/* -- phase-4 additions beyond the brief's list (see task-21-report.md) -- */
.mt-flush { margin: 1rem 0 0; }
.mt-flush-sm { margin: 0.4rem 0 0; }
.mt-cta { margin-top: 1.2rem; }
.fee-amount { color: var(--text-on-paper); }
.field-hint { font-size: 0.7rem; margin-left: 0.4rem; }
.terms-alert { margin: 0.8rem 0 0; }
.check-spaced { margin: 0.8rem 0 0; }
.fineprint-tight { margin: 0; }
/* -- phase-4 fix-round-1: on-ink error contrast (WCAG 1.4.3) -- */
.on-ink .field-error { color: var(--accent); }
.qualifier .field-wrap.is-invalid input { box-shadow: inset 0 0 0 2px var(--accent); }

/* ------- outage notice tool (outage-notice.html) ------- */
.field textarea { resize: vertical; min-height: 6rem; line-height: 1.5; }
.field.mono-input textarea { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.03em; font-size: var(--step--1); }
.field input[type="datetime-local"] { min-height: 3.3rem; }
.recipients { list-style: none; margin: 0; padding: 0; }
.recipient { padding: 0.8rem 0; border-top: 1px solid var(--paper-line); }
.recipient:first-child { border-top: 0; padding-top: 0; }
.recipient-name { margin: 0 0 0.35rem; max-width: none; font-variation-settings: 'wght' 600; display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: baseline; }
.recipient .services { list-style: none; margin: 0; padding: 0 0 0 0.9rem; border-left: 2px solid var(--paper-line); display: grid; gap: 0.25rem; }
.recipient .services li { font-size: var(--step--1); display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: baseline; }
.recipient .services .mono { font-size: 0.85rem; }
.actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.4rem; }
.id-list { font-family: var(--font-mono); font-size: 0.85rem; overflow-wrap: anywhere; margin-top: 0.4rem !important; }
.status-fail { color: var(--danger); font-variation-settings: 'wght' 560; }
#review .notice + .recipients, #results .notice + .recipients { margin-top: 1.2rem; }