/* BlueInk customer survey. The tokens, fonts and components follow the BlueInk website's design system
   (Blueink Website/DESIGN.md): blue-back paper, white bond sheets, toner text, azure only on what you can
   press, indigo for stamps and labels, Courier Prime only where someone types. */

@font-face { font-family: 'Archivo'; src: url(/fonts/archivo-var.woff2) format('woff2'); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: 'Courier Prime'; src: url(/fonts/courier-prime-400.woff2) format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Courier Prime'; src: url(/fonts/courier-prime-700.woff2) format('woff2'); font-weight: 700; font-display: swap; }

:root {
  --backing: #e6eef5;
  --backing-edge: #d3dfea;
  --backing-wash: #eef4fa;
  --bond: #ffffff;
  --field-white: #fbfcfe;
  --ink: #0067ae;
  --ink-hover: #005290;
  --ink-deep: #0c243e;
  --stamp: #2e3192;
  --stamp-wash: #dbe5f5;
  --on-ink-accent: #7fc8f3;
  --toner: #12181f;
  --toner-quiet: #4f5763;
  --on-ink: #ffffff;
  --on-ink-quiet: #c1d4e4;
  --rule: rgba(18, 24, 31, 0.13);
  --rule-strong: rgba(18, 24, 31, 0.3);
  --rule-control: rgba(18, 24, 31, 0.55);
  --error: #b3261e;
  --error-wash: #fff4f2;
  --focus: var(--stamp);

  --font: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --typed: 'Courier Prime', 'Courier New', monospace;
  --fs-label: 0.875rem;
  --fs-small: 1rem;
  --fs-body: 1.125rem;
  --fs-lead: clamp(1.125rem, 1.6vw, 1.3rem);
  --fs-typed: 1.125rem;
  --fs-control: 1.0625rem;
  --fs-q: clamp(1.125rem, 1.5vw, 1.25rem);
  --fs-name: 1.25rem;
  --fs-headline: clamp(min(2rem, 8.2vw), 3.9vw, 3.35rem);
  --fs-page: clamp(min(2.3rem, 8.4vw), 5.2vw, 4.4rem);
  --fs-stamp-l: clamp(min(2.4rem, 11vw), 7vw, 4.2rem);
  --w-body: 420;
  --w-medium: 600;
  --w-bold: 700;
  --w-title: 740;
  --w-headline: 800;
  --w-figure: 860;

  --wrap: 50rem;
  --gutter: clamp(16px, 4vw, 40px);
  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap-md: 18px;
  --r-note: 2px;
  --r-sheet: 3px;
  --r-field: 4px;
  --r-control: 6px;
  --r-pill: 999px;
  --mast-h: 72px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --lift: 0 1px 0 rgba(18, 24, 31, 0.05), 0 22px 44px -24px rgba(12, 36, 62, 0.34);
  --press: 0 10px 20px -12px rgba(0, 103, 174, 0.75);
}

/* ---- Base ---- */
[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--mast-h) + 24px); background: var(--ink-deep); }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--backing) url(/img/paper.png); color: var(--toner);
  font: var(--w-body) var(--fs-body)/1.6 var(--font); font-stretch: 100%; font-kerning: normal;
  -webkit-font-smoothing: antialiased; caret-color: var(--ink);
}
main { flex: 1 0 auto; padding-bottom: clamp(40px, 7vw, 96px); }
::selection { background: var(--stamp-wash); color: var(--toner); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--ink-hover); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: var(--r-note); }
p, h1, h2, ol { margin: 0; }
ol { padding: 0; list-style: none; }
h1, h2 { overflow-wrap: break-word; text-wrap: balance; }
strong, b { font-weight: var(--w-bold); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.typed { font-family: var(--typed); font-variant-numeric: tabular-nums; letter-spacing: 0; }
.label { font-size: var(--fs-label); font-weight: var(--w-headline); font-stretch: 70%; text-transform: uppercase; letter-spacing: .12em; line-height: 1.3; color: var(--stamp); }
.skip { position: absolute; left: 8px; top: -80px; z-index: 100; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; background: var(--ink-deep); color: var(--on-ink); font-weight: var(--w-medium); border-radius: var(--r-control); }
.skip:focus { top: 8px; color: var(--on-ink); }

/* ---- Masthead: the logo, the language switch, and an ink line that fills as the answers come in ---- */
.mast { position: sticky; top: 0; z-index: 10; background: var(--bond); box-shadow: 0 1px 0 var(--rule); }
.mast__in { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; min-height: var(--mast-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.mast__logo { display: block; flex: none; border-radius: var(--r-field); }
.mast__logo img { width: 124px; }
.lang { display: inline-flex; padding: 3px; border: 1.5px solid var(--rule-control); border-radius: var(--r-pill); background: var(--bond); }
.lang a { display: inline-grid; place-items: center; min-width: 48px; min-height: 40px; padding: 0 12px; border-radius: var(--r-pill); color: var(--ink); font-weight: var(--w-bold); font-size: var(--fs-small); text-decoration: none; letter-spacing: .04em; }
.lang a:hover { background: var(--backing-wash); }
.lang a[aria-current] { background: var(--ink-deep); color: var(--on-ink); }
.mast__progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; overflow: hidden; }
.mast__progress span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease); }

/* ---- Page head ---- */
.head { padding: clamp(32px, 6vw, 72px) 0 clamp(22px, 3.4vw, 36px); }
.head h1 { font-size: var(--fs-page); font-weight: var(--w-headline); font-stretch: 108%; line-height: .98; letter-spacing: -0.034em; }
.lead { margin-top: 16px; max-width: 46ch; font-size: var(--fs-lead); line-height: 1.55; color: var(--toner-quiet); }

/* ---- The sheet and the form ---- */
.sheet { position: relative; background: var(--bond); border-radius: var(--r-sheet); box-shadow: var(--lift); }
.form { padding: clamp(20px, 4.6vw, 56px); display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(40px, 5.4vw, 60px); }
.form__part { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--gap-md); min-width: 0; }
.form__part > legend { display: flex; align-items: center; gap: var(--gap-sm); float: left; width: 100%; padding: 0 0 14px; margin-bottom: 4px; border-bottom: 1.5px solid var(--toner); font-size: var(--fs-name); font-weight: var(--w-title); letter-spacing: -0.01em; }
.form__part > legend + * { clear: both; }
.form__n { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--toner); color: var(--bond); font-size: var(--fs-small); font-weight: var(--w-headline); flex: none; }

/* The closing a personal link is about, typed on a slip at the top of the form. */
.slip { display: grid; gap: 6px; padding: 14px 16px; background: var(--backing-wash); border-radius: var(--r-field); border-left: 3px solid var(--stamp); }
.slip__lines { font-size: var(--fs-small); line-height: 1.5; overflow-wrap: anywhere; }

/* Questions are ruled rows. */
.qs { display: grid; grid-template-columns: minmax(0, 1fr); }
.q { padding: 24px 0; min-width: 0; }
.q:first-child { padding-top: 6px; }
.q + .q { border-top: 1px solid var(--rule); }
.q:last-child { padding-bottom: 0; }
.q__set { border: 0; padding: 0; margin: 0; min-width: 0; }
.q__set > legend { float: left; width: 100%; padding: 0; }
.q__set > legend + * { clear: both; }
.q__t { display: block; margin-bottom: 14px; font-size: var(--fs-q); font-weight: var(--w-medium); line-height: 1.35; letter-spacing: -0.005em; }
label > .q__t { display: inline; margin: 0; }
.q > .field > label { display: block; margin-bottom: 4px; }

/* 1 to 5: five keys in a row. The chosen one is inked; the ones below it take a wash, so the row reads as
   a filled scale. */
.scale { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--gap-xs); max-width: 27rem; }
.scale label { position: relative; display: block; }
.scale input, .yn input, .chip input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.scale span { display: grid; place-items: center; min-height: 56px; border: 1.5px solid var(--rule-control); border-radius: var(--r-control); background: var(--bond); color: var(--toner); font-size: 1.3rem; font-weight: var(--w-bold); font-variant-numeric: tabular-nums; transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease); }
.scale label:hover span { border-color: var(--ink); color: var(--ink); }
.scale:has(input[value="2"]:checked) label:nth-child(-n+1) span,
.scale:has(input[value="3"]:checked) label:nth-child(-n+2) span,
.scale:has(input[value="4"]:checked) label:nth-child(-n+3) span,
.scale:has(input[value="5"]:checked) label:nth-child(-n+4) span { background: var(--backing-wash); border-color: var(--ink); color: var(--ink); }
.scale input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--on-ink); box-shadow: var(--press); }
.scale input:active + span { transform: scale(.96); }
.scale input:focus-visible + span, .yn input:focus-visible + span, .chip input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.scale__ends { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; max-width: 27rem; margin-top: 8px; font-size: var(--fs-small); color: var(--toner-quiet); }
.scale__word { color: var(--toner); font-weight: var(--w-bold); text-align: center; }

.yn { display: flex; flex-wrap: wrap; gap: var(--gap-xs); }
.yn label { position: relative; display: block; }
.yn span { display: inline-grid; place-items: center; min-width: 7.5rem; min-height: 52px; padding: 0 20px; border: 1.5px solid var(--rule-control); border-radius: var(--r-control); background: var(--bond); font-weight: var(--w-bold); font-size: var(--fs-control); transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease); }
.yn label:hover span { border-color: var(--ink); color: var(--ink); }
.yn input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--on-ink); box-shadow: var(--press); }

/* The comment box under a question opens once the question is answered (with scripts; without them it's
   always open). */
.q__more { margin-top: 16px; }
.js .q__more { display: grid; grid-template-rows: 0fr; margin-top: 0; opacity: 0; visibility: hidden; transition: grid-template-rows .4s var(--ease), margin-top .4s var(--ease), opacity .3s var(--ease), visibility 0s linear .4s; }
.js .q__more > * { min-height: 0; overflow: hidden; padding: 4px; margin: -4px; } /* room for the focus ring */
.js .q.is-answered .q__more { grid-template-rows: 1fr; margin-top: 16px; opacity: 1; visibility: visible; transition-delay: 0s; }
.js .nojs-only { display: none; }

/* Fields */
.field { display: grid; grid-template-columns: minmax(0, 1fr); gap: 7px; min-width: 0; align-content: start; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--gap-md); align-items: start; }
@media (min-width: 40em) {
  .grid2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
.field--chips { border: 0; padding: 0; margin: 0; }
.field--chips > legend { float: left; width: 100%; padding: 0; margin-bottom: 7px; }
.field--chips > legend + * { clear: both; }
.field label, .field__label { font-weight: var(--w-medium); font-size: var(--fs-control); }
.field__opt { font-weight: var(--w-body); color: var(--toner-quiet); font-size: var(--fs-small); }
.field__hint { font-size: var(--fs-small); color: var(--toner-quiet); }
.field :where(input:not([type="radio"], [type="checkbox"]), select, textarea) {
  width: 100%; min-height: 52px; padding: 12px 14px; border: 1.5px solid var(--rule-strong); border-bottom: 2px solid var(--toner);
  border-radius: var(--r-field) var(--r-field) var(--r-note) var(--r-note); background: var(--field-white); color: var(--toner);
  font: 400 var(--fs-typed)/1.3 var(--typed); transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.field textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.field select { font-family: var(--font); font-weight: var(--w-body); font-size: var(--fs-control); appearance: none; padding-right: 44px; text-overflow: ellipsis; cursor: pointer; }
.select { position: relative; display: block; min-width: 0; }
.select::after { content: ''; position: absolute; right: 20px; top: 50%; width: 8px; height: 8px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--toner-quiet); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); background-color: var(--bond); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.field__err { color: var(--error); font-size: var(--fs-small); font-weight: var(--w-medium); }
.q .field__err { margin-top: 10px; }
.is-bad input:not([type="radio"]), .is-bad select, .is-bad textarea { border-color: var(--error); background-color: var(--error-wash); }
.is-bad .scale span, .is-bad .yn span { border-color: var(--error); }

.chips { display: flex; flex-wrap: wrap; gap: var(--gap-xs); }
.chip { position: relative; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1.5px solid var(--rule-control); border-radius: var(--r-pill); font-weight: var(--w-medium); font-size: var(--fs-small); background: var(--bond); transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease); }
.chip:hover span { border-color: var(--ink); }
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* The foot of the form: the consent, then the button. */
.form__end { display: grid; gap: 20px; padding-top: 22px; border-top: 1px dashed var(--rule-strong); }
.consent { font-size: var(--fs-small); line-height: 1.55; color: var(--toner-quiet); max-width: 68ch; }
.form__send { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.form__status { flex: 1 1 16rem; min-width: 0; font-weight: var(--w-medium); color: var(--toner-quiet); }
.form__status:empty { display: none; }
.form__status.is-bad { color: var(--error); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  min-height: 50px; padding: .55em 1.3em; border-radius: var(--r-control); border: 1.5px solid transparent;
  font: var(--w-medium) var(--fs-control)/1.15 var(--font); font-stretch: 100%; letter-spacing: -0.005em; text-align: center;
  text-decoration: none; cursor: pointer; overflow-wrap: anywhere;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--ink { background: var(--ink); color: var(--on-ink); box-shadow: var(--press); }
.btn--ink:hover { background: var(--ink-hover); color: var(--on-ink); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--on-ink); }
.btn--big { min-height: 58px; padding: .6em 1.6em; font-size: var(--fs-body); }
.btn[disabled] { opacity: .65; cursor: progress; }

/* ---- Received ---- */
.done { margin-top: clamp(28px, 6vw, 72px); padding: clamp(28px, 5.4vw, 64px); display: grid; gap: 16px; justify-items: start; }
.done:focus { outline: none; }
.done__h { font-size: var(--fs-headline); font-weight: var(--w-headline); font-stretch: 108%; line-height: 1.04; letter-spacing: -0.03em; }
.done__p { max-width: 46ch; font-size: var(--fs-lead); line-height: 1.55; color: var(--toner-quiet); }
.done__review { display: grid; gap: 14px; justify-items: start; margin-top: 12px; padding-top: 22px; border-top: 1px dashed var(--rule-strong); max-width: 52ch; }
.stamp {
  position: relative; display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  margin: 4px 0 18px 6px; color: var(--stamp); border: 3px solid currentColor; border-radius: var(--r-sheet);
  padding: .32em .75em .38em; transform: rotate(var(--rot, -8deg));
  font: var(--w-figure) var(--fs-stamp-l)/1 var(--font); font-stretch: 64%; letter-spacing: .07em; text-transform: uppercase;
  -webkit-mask-image: url(/img/ink.webp); mask-image: url(/img/ink.webp); -webkit-mask-size: 150px; mask-size: 150px; mix-blend-mode: multiply;
}
.stamp::after { content: ''; position: absolute; inset: 3px; border: 1.5px solid currentColor; border-radius: var(--r-note); }
.stamp__word { position: relative; }
.done:not([hidden]) .stamp { animation: land .55s cubic-bezier(.2, .9, .3, 1.2) both .15s; }
@keyframes land {
  0% { opacity: 0; transform: rotate(var(--rot, -8deg)) scale(1.7); filter: blur(5px); }
  60% { opacity: .95; transform: rotate(var(--rot, -8deg)) scale(.96); filter: blur(0); }
  100% { opacity: 1; transform: rotate(var(--rot, -8deg)) scale(1); }
}

/* ---- Footer: the ink bottle ---- */
.foot { background: var(--ink-deep); color: var(--on-ink-quiet); padding: 36px 0 44px; font-size: var(--fs-small); line-height: 1.55; }
.foot__in { display: grid; gap: 6px; }
.foot strong { color: var(--on-ink); }
.foot a { color: var(--on-ink); }
.foot a:hover { color: var(--on-ink-accent); }
.foot :focus-visible { outline-color: var(--on-ink-accent); }

/* ---- The server's short pages (no scripts) ---- */
.plain { flex: 1; padding: clamp(48px, 8vw, 112px) var(--gutter); }
.plain > * { max-width: 38rem; margin-inline: auto; }
.plain h1 { margin-bottom: 18px; font-size: var(--fs-headline); font-weight: var(--w-headline); line-height: 1.1; }
.plain p + p { margin-top: 12px; }

@media (max-width: 22.5em) {
  .mast__logo img { width: 104px; }
  .scale { gap: 6px; }
  .scale span { min-height: 52px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
}
@media (forced-colors: active) {
  .scale input:checked + span, .yn input:checked + span, .chip input:checked + span, .lang a[aria-current] { forced-color-adjust: none; background: Highlight; color: HighlightText; border-color: Highlight; }
  .stamp { mix-blend-mode: normal; -webkit-mask-image: none; mask-image: none; }
}