/* repair.supply: the app's own look. Square and flat, state shown by a solid square and words, never a tinted box.
   Colours are the iPhone app's Palette (ios/MRMDeviceTest/UI/Theme.swift). */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/atkinson-hyperlegible-next.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/atkinson-hyperlegible-next-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  --ink: #1F2937;        /* Palette.text and .header */
  --ink-2: #374151;      /* Palette.headerTrack */
  --quiet: #4B5563;      /* Palette.quiet */
  --paper: #FFFFFF;      /* Palette.surface */
  --ground: #F5F7F5;     /* Palette.background */
  --hair: #E5E7EB;       /* Palette.hair */
  --line: #D1D5DB;       /* Palette.border */
  --outline: #9CA3AF;    /* Palette.outline */
  --pass: #047857;       /* Palette.passFill */
  --pass-dark: #065F46;  /* Palette.passPressed */
  --check: #F59E0B;      /* Palette.warning */
  --fault: #DC2626;      /* Palette.failFill */
  --on-dark: #D1D5DB;    /* Palette.headerQuiet */
  --col: 1120px;
  --measure: 64ch;
  --step--1: 0.889rem;
  --step-0: 1.0625rem;
  --step-1: 1.333rem;
  --step-2: 1.777rem;
  --step-3: clamp(2.1rem, 1.5rem + 2.6vw, 3.25rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", Verdana, "Segoe UI", sans-serif;
  font-size: var(--step-0);
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--pass); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--pass-dark); }
:focus-visible { outline: 3px solid var(--pass); outline-offset: 3px; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap {
  max-width: var(--col);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--paper); padding: 8px 12px; }

/* ---- Header ---- */
.site-head { border-bottom: 1px solid var(--hair); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }
.mark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.125rem; letter-spacing: -0.01em; }
.mark:hover { color: var(--ink); }
.mark .sq { width: 14px; height: 14px; }
.site-nav { display: flex; gap: 22px; }
.site-nav a { color: var(--quiet); text-decoration: none; font-weight: 700; padding: 8px 0; border-bottom: 3px solid transparent; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--pass); }

/* ---- Status squares, as in the app ---- */
.sq { display: inline-block; width: 12px; height: 12px; flex: none; background: var(--outline); }
.sq-pass { background: var(--pass); }
.sq-check { background: var(--check); }
.sq-fault { background: var(--fault); }

/* ---- Home: the opening ---- */
.intro { padding: 56px 0 64px; }
.intro .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); gap: 56px; align-items: start; }
.intro h1 { font-size: var(--step-3); font-weight: 800; letter-spacing: -0.02em; max-width: 14ch; }
.intro .lead { margin-top: 22px; font-size: var(--step-1); line-height: 1.45; max-width: 34ch; }
.intro .more { margin-top: 18px; color: var(--quiet); max-width: 46ch; }

/* The readout: the app's Results screen, drawn from a real test */
.readout { margin: 0; border: 1px solid var(--line); background: var(--paper); }
.readout-bar { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; background: var(--ink); color: #fff; padding: 16px 20px; }
.readout-bar b { font-size: var(--step-1); font-weight: 800; }
.readout-bar span { color: var(--on-dark); font-size: var(--step--1); text-align: right; }
.readout-sum { padding: 20px 20px 18px; border-bottom: 1px solid var(--line); }
.readout-sum h2 { display: flex; align-items: center; gap: 12px; font-size: var(--step-2); font-weight: 800; }
.readout-sum h2 .sq { width: 20px; height: 20px; }
.meter { display: flex; height: 18px; margin-top: 18px; background: var(--hair); }
.meter span { display: block; height: 100%; flex-grow: var(--n); flex-basis: 0; transform-origin: left center; }
.meter .m-pass { background: var(--pass); }
.meter .m-check { background: var(--check); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 22px; list-style: none; margin: 14px 0 0; padding: 0; color: var(--quiet); font-size: var(--step--1); }
.legend li { display: inline-flex; align-items: center; gap: 8px; }
.readout-rows { list-style: none; margin: 0; padding: 6px 20px 10px; background: var(--ground); }
.readout-rows li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--hair); font-weight: 700; }
.readout-rows li:last-child { border-bottom: 0; }
.readout-rows small { margin-left: auto; color: var(--quiet); font-weight: 400; font-size: var(--step--1); }
.readout figcaption { padding: 12px 20px; border-top: 1px solid var(--line); color: var(--quiet); font-size: var(--step--1); }

@media (prefers-reduced-motion: no-preference) {
  .meter span { animation: fill 900ms cubic-bezier(.2, .7, .2, 1) both; }
  .meter .m-check { animation-delay: 650ms; animation-duration: 350ms; }
}
@keyframes fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---- Sections ---- */
.band { background: var(--ground); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.section { padding-block: 56px; }
.section h2 { font-size: var(--step-2); font-weight: 800; letter-spacing: -0.01em; }
.section .sub { margin-top: 10px; color: var(--quiet); max-width: var(--measure); }
.uses { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; margin-top: 28px; }
.uses h3 { font-size: var(--step-1); font-weight: 800; }
.uses p { margin-top: 10px; max-width: 52ch; }

.groups { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin-top: 28px; border-top: 3px solid var(--ink); }
.groups section { padding: 16px 18px 6px 0; }
.groups h3 { font-size: 1.0625rem; font-weight: 800; }
.groups h3 span { color: var(--quiet); font-weight: 400; }
.groups ul { list-style: none; margin: 10px 0 0; padding: 0; }
.groups li { padding: 5px 0; line-height: 1.35; }
.groups li small { display: block; color: var(--quiet); font-size: var(--step--1); }

.privacy-note { display: flex; gap: 16px; align-items: flex-start; max-width: var(--measure); }
.privacy-note p + p { margin-top: 12px; }

/* ---- Text pages (privacy, support) ---- */
.page { padding-block: 48px 64px; }
.page h1 { font-size: var(--step-3); font-weight: 800; letter-spacing: -0.02em; }
.page .updated { margin-top: 12px; color: var(--quiet); }
.prose { max-width: var(--measure); }
.prose h2 { font-size: var(--step-1); font-weight: 800; margin-top: 40px; }
.prose p, .prose ul, .prose dl { margin-top: 12px; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-top: 6px; }
.prose dl { display: grid; grid-template-columns: minmax(0, 13em) minmax(0, 1fr); gap: 0; border-top: 1px solid var(--hair); }
.prose dt, .prose dd { margin: 0; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--hair); }
.prose dt { font-weight: 700; }

/* ---- Support form ---- */
.support { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr); gap: 56px; align-items: start; }
.steps { list-style: none; margin: 12px 0 0; padding: 0; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2em minmax(0, 1fr); padding: 10px 0; border-bottom: 1px solid var(--hair); }
.steps li::before { content: counter(step); font-weight: 800; color: var(--pass); }
.form { border: 1px solid var(--line); padding: 24px; background: var(--paper); }
.form h2 { font-size: var(--step-1); font-weight: 800; }
.form .field { margin-top: 18px; }
.form label { display: block; font-weight: 700; }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 12px 12px; border: 1px solid var(--outline); border-radius: 0;
  background: var(--paper); color: var(--ink); font: inherit;
}
.form textarea { min-height: 9em; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 3px solid var(--pass); outline-offset: 0; border-color: var(--pass); }
.form .check { margin-top: 18px; min-height: 65px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 26px; margin-top: 18px;
  border: 0; border-radius: 0; background: var(--ink); color: #fff; font: inherit; font-weight: 800; cursor: pointer;
}
.button:hover { background: var(--ink-2); }
.button[disabled] { opacity: 0.6; cursor: default; }
.form .status { margin-top: 14px; display: flex; gap: 10px; align-items: flex-start; }
.form .status[hidden] { display: none; }
.form .status .sq { margin-top: 0.45em; }
.form.done h2 { display: flex; align-items: center; gap: 12px; }
.form.done p { margin-top: 10px; }

/* ---- Footer ---- */
.site-foot { border-top: 3px solid var(--ink); padding: 32px 0 40px; color: var(--quiet); font-size: var(--step--1); }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-foot p + p { margin-top: 4px; }
.site-foot b { color: var(--ink); }
.site-foot nav { display: flex; gap: 20px; }
.site-foot a { color: var(--ink); font-weight: 700; }

/* ---- Phones ---- */
@media (max-width: 900px) {
  .intro .wrap, .support { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 340px) {
  .groups { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  :root { --step-0: 1.0625rem; }
  .intro { padding: 36px 0 44px; }
  .section { padding-block: 44px; }
  .uses { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .groups section { padding-right: 14px; }
  .site-nav { gap: 18px; }
  .prose dl { grid-template-columns: minmax(0, 1fr); }
  .prose dt { border-bottom: 0; padding-bottom: 0; }
  .form { padding: 18px; }
}