/* Copyfield — Carbon-Copy Form / NCR Survey Slip */
:root {
  --canary: #F4E8A8;
  --carbon-pink: #E8B4B8;
  --form-navy: #1E3A5F;
  --ink: #12141A;
  --perf: #9AA0A6;
  --paper: #FFFDF6;
  --pink-tint: #F7E6E8;
  --line: #C9B86A;
  --display: "Archivo Narrow", "Arial Narrow", sans-serif;
  --body: Lora, Georgia, serif;
  --shell: min(42rem, calc(100% - 2rem));
  --radius: 0;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, var(--canary) 0 0.55rem, transparent 0.55rem),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 11px,
      rgba(30, 58, 95, 0.04) 11px,
      rgba(30, 58, 95, 0.04) 12px
    ),
    var(--paper);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
}

img { max-width: 100%; height: auto; }
a { color: var(--form-navy); text-underline-offset: 0.18em; }
a:hover { color: #152a45; }
:focus-visible {
  outline: 2px solid var(--form-navy);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--form-navy);
  color: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 20;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

.shell { width: var(--shell); margin-inline: auto; }

.top {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, var(--carbon-pink));
}
.top__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.85rem 0 0.35rem;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--form-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.brand__mark {
  width: 1.1rem;
  height: 1.35rem;
  background:
    linear-gradient(var(--canary) 0 33%, var(--carbon-pink) 33% 66%, #fff 66%);
  border: 1px solid var(--form-navy);
  box-shadow: 2px 2px 0 rgba(30, 58, 95, 0.18);
}
.top__meta {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #4a5564;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  padding: 0.35rem 0 0.85rem;
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav a { text-decoration: none; color: var(--ink); }
.nav a[aria-current="page"] {
  border-bottom: 2px solid var(--form-navy);
  color: var(--form-navy);
}

.hero {
  position: relative;
  padding: 2.75rem 0 2.4rem;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--canary) 0 38%, var(--carbon-pink) 38% 62%, var(--paper) 62%);
  border-bottom: 1px dashed var(--perf);
}
.hero__perf {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.85rem;
  background:
    radial-gradient(circle at 50% 0.55rem, transparent 0.22rem, var(--perf) 0.24rem) 0 0 / 100% 1.1rem;
  opacity: 0.7;
}
.hero__formbar {
  position: absolute;
  top: 0.85rem;
  right: max(1rem, calc((100% - var(--shell)) / 2));
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--form-navy);
  border: 1px solid var(--form-navy);
  padding: 0.25rem 0.55rem;
  background: #fff;
  animation: stamp-in 700ms ease-out both;
}
.hero__content { position: relative; z-index: 1; max-width: 36rem; }
.hero__brand {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--form-navy);
}
.hero h1 {
  margin: 0;
  font-family: var(--body);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.6vw, 1.35rem);
  line-height: 1.45;
  color: var(--ink);
  max-width: 34rem;
}
.hero__stand {
  margin: 0.9rem 0 0;
  max-width: 32rem;
  color: #2a3038;
}

@keyframes stamp-in {
  from { opacity: 0; transform: translateY(-0.4rem) rotate(-2deg); }
  to { opacity: 1; transform: none; }
}

.block { padding: 2.2rem 0; }
.block--tint { background: var(--pink-tint); border-block: 1px dashed var(--perf); }
.block--canary { background: color-mix(in srgb, var(--canary) 55%, #fff); border-block: 1px solid var(--line); }
.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--form-navy);
}
h2 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.15;
}
.lede p { margin: 0 0 0.85rem; max-width: 40rem; }

.library { display: grid; gap: 1rem; }
.entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.entry:last-child { border-bottom: 1px solid var(--line); }
.entry__id {
  margin: 0;
  font-family: var(--display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--form-navy);
  white-space: nowrap;
}
.entry h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.entry h3 a { text-decoration: none; color: var(--ink); }
.entry h3 a:hover { color: var(--form-navy); text-decoration: underline; }
.entry p { margin: 0; color: #333843; }

.standards {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}
.standards li {
  padding: 0.85rem 0.95rem;
  border-left: 4px solid var(--form-navy);
  background: #fff;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.defs { margin: 0; display: grid; gap: 0.75rem; }
.defs dt {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.35rem;
}
.defs dd { margin: 0.15rem 0 0; color: #333843; }

.flag {
  margin-top: 1.25rem;
  padding: 0.95rem 1rem;
  background: #fff;
  border: 1px dashed var(--form-navy);
}
.flag p { margin: 0; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 0.75rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
}
.faq p { margin: 0.55rem 0 0.2rem; }

.support-box {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--form-navy);
  box-shadow: 4px 4px 0 var(--carbon-pink);
}
.support-box a { font-weight: 600; }

.article__head {
  padding: 2rem 0 0.5rem;
  border-bottom: 1px dashed var(--perf);
  background: color-mix(in srgb, var(--canary) 40%, #fff);
}
.article__meta {
  margin: 0.65rem 0 0;
  font-family: var(--display);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  color: #4a5564;
}
.prose { padding-bottom: 2rem; }
.prose h2 { margin-top: 1.75rem; }
.prose h3 {
  margin-top: 1.25rem;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.prose ul, .prose ol { padding-left: 1.2rem; }
.backlink {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.foot {
  margin-top: 1rem;
  padding: 1.5rem 0 2rem;
  border-top: 3px double var(--form-navy);
  background: color-mix(in srgb, var(--carbon-pink) 35%, #fff);
  font-size: 0.95rem;
}
.foot__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.85rem;
}
.foot a { text-decoration: none; font-family: var(--display); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.85rem; }
.foot p { margin: 0.25rem 0; color: #333843; }

@media (max-width: 640px) {
  .hero { background: linear-gradient(180deg, var(--canary) 0 42%, var(--carbon-pink) 42% 68%, var(--paper) 68%); }
  .entry { grid-template-columns: 1fr; }
  .hero__formbar { position: static; display: inline-block; margin: 0 0 0.75rem; }
}