/* Cliprail — Cliprail Editorial
   Powder-coated job-ticket rail, binder clips, hanging route tickets.
   Archivo Narrow + Newsreader.
   Distinct from galley tray, FIDS/LED amber, mullion, chalk, plomada,
   tractor-feed, parchment, sage, waveform, drafting, NCR, thermal,
   cyanotype, sodium, riso, beam, split-flap, film leader, card catalog. */

:root {
  color-scheme: light;
  --mist: #EEF1F4;
  --rail: #3A4F66;
  --rail-deep: #2C3D50;
  --ticket: #F7F8FA;
  --ink: #1A1C1E;
  --muted: #5A6570;
  --lead: rgba(26, 28, 30, 0.12);
  --enamel: #C45C4A;
  --enamel-soft: #E8B4AC;
  --clip: #1A1C1E;
  --raised: #FFFFFF;
  --display: "Archivo Narrow", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --text: "Newsreader", Georgia, "Times New Roman", serif;
  --shell: 70rem;
  --gutter: clamp(1.1rem, 3.8vw, 2.5rem);
  --band: clamp(2.4rem, 5vw, 4.5rem);
  --measure: 39rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, var(--rail-deep) 0, var(--rail-deep) 0.42rem, transparent 0.42rem),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 4.5rem,
      rgba(58, 79, 102, 0.06) 4.5rem,
      rgba(58, 79, 102, 0.06) 4.6rem
    ),
    radial-gradient(90% 50% at 100% 0%, rgba(196, 92, 74, 0.07), transparent 50%),
    var(--mist);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 10;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

.shell {
  width: min(100% - 2 * var(--gutter), var(--shell));
  margin-inline: auto;
}

.prose { max-width: var(--measure); }

a {
  color: var(--rail);
  text-underline-offset: 0.15em;
}
a:hover { color: var(--enamel); }
a:focus-visible {
  outline: 2px solid var(--enamel);
  outline-offset: 3px;
}

.mast {
  border-bottom: 1px solid var(--lead);
  background: rgba(238, 241, 244, 0.94);
  backdrop-filter: blur(7px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.mast__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.9rem 0;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.wordmark__mark {
  width: 1.15rem;
  height: 1.35rem;
  border: 2px solid var(--clip);
  border-radius: 0.15rem 0.15rem 0.35rem 0.35rem;
  position: relative;
  flex-shrink: 0;
  background: var(--raised);
}
.wordmark__mark::before {
  content: "";
  position: absolute;
  top: -0.35rem;
  left: 50%;
  width: 0.7rem;
  height: 0.45rem;
  border: 2px solid var(--clip);
  border-bottom: none;
  border-radius: 0.5rem 0.5rem 0 0;
  transform: translateX(-50%);
  background: transparent;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav a {
  text-decoration: none;
  color: var(--muted);
}
.nav a[aria-current="page"],
.nav a:hover { color: var(--ink); }

.hero {
  position: relative;
  padding: var(--band) 0 calc(var(--band) * 0.85);
  overflow: hidden;
}
.hero__rail {
  position: absolute;
  inset: 1.6rem 0 auto;
  height: 0.55rem;
  background: linear-gradient(90deg, var(--rail-deep), var(--rail));
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.12);
}
.hero__tickets {
  position: absolute;
  top: 2.15rem;
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  gap: clamp(0.75rem, 3vw, 1.75rem);
  pointer-events: none;
}
.ticket-hang {
  width: clamp(2.4rem, 8vw, 3.4rem);
  height: clamp(3.2rem, 10vw, 4.4rem);
  background: var(--ticket);
  border: 1px solid var(--lead);
  border-top: 3px solid var(--enamel);
  box-shadow: 0 6px 14px rgba(26, 28, 30, 0.08);
  position: relative;
  animation: hang-sway 5.5s ease-in-out infinite;
}
.ticket-hang:nth-child(2) { animation-delay: -1.4s; border-top-color: var(--rail); }
.ticket-hang:nth-child(3) { animation-delay: -2.8s; }
.ticket-hang::before {
  content: "";
  position: absolute;
  top: -0.75rem;
  left: 50%;
  width: 0.55rem;
  height: 0.75rem;
  background: var(--clip);
  transform: translateX(-50%);
  clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%);
}
@keyframes hang-sway {
  0%, 100% { transform: rotate(-1.2deg); }
  50% { transform: rotate(1.4deg); }
}

.hero__content {
  position: relative;
  padding-top: clamp(3.5rem, 12vw, 5.5rem);
  max-width: 42rem;
}
.hero__brand {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--rail);
  line-height: 0.95;
}
.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--text);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.hero__stand {
  margin: 0 0 1.1rem;
  color: var(--muted);
  max-width: 34rem;
}
.hero__stamp {
  display: inline-block;
  margin: 0;
  padding: 0.28rem 0.65rem;
  font-family: var(--display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--raised);
  background: var(--enamel);
}

.panel { padding: calc(var(--band) * 0.72) 0; }
.panel--rail {
  background: var(--raised);
  border-block: 1px solid var(--lead);
}
.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--enamel);
}
.panel h2 {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.lede {
  display: grid;
  gap: 0.85rem;
  max-width: 44rem;
}
.lede p { margin: 0; color: var(--muted); }

.library { display: grid; gap: 0; }
.entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.35rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--lead);
  align-items: start;
}
.entry:last-child { border-bottom: 1px solid var(--lead); }
.entry__id {
  margin: 0.15rem 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rail);
  white-space: nowrap;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--rail);
  background: var(--mist);
}
.entry h3 {
  margin: 0 0 0.35rem;
  font-family: var(--text);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
}
.entry h3 a {
  text-decoration: none;
  color: var(--ink);
}
.entry h3 a:hover { color: var(--enamel); }
.entry p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.standards {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  max-width: 44rem;
}
.standards li {
  padding: 0.85rem 1rem;
  background: var(--raised);
  border-left: 3px solid var(--enamel);
  box-shadow: 0 1px 0 var(--lead);
}
.standards strong { font-family: var(--display); letter-spacing: 0.02em; }

.not-list, .faq {
  max-width: 44rem;
}
.not-list {
  margin: 0;
  padding-left: 1.15rem;
}
.not-list li { margin-bottom: 0.45rem; color: var(--muted); }

.faq details {
  border-top: 1px solid var(--lead);
  padding: 0.85rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--lead); }
.faq summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.95rem;
}
.faq details p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.article__head { padding: var(--band) 0 0; }
.article__head h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  font-weight: 600;
}
.article__meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.article__meta b { color: var(--ink); font-family: var(--display); letter-spacing: 0.03em; }

.prose h2 {
  margin: 1.75rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.prose p { margin: 0 0 1rem; }
.prose ul { margin: 0 0 1rem; padding-left: 1.15rem; }
.prose li { margin-bottom: 0.35rem; }

.defs { margin: 0 0 1rem; }
.defs dt {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.88rem;
  margin-top: 0.85rem;
}
.defs dd { margin: 0.25rem 0 0; color: var(--muted); }

.backlink {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.colophon {
  margin-top: var(--band);
  padding: 1.5rem 0 2.25rem;
  border-top: 1px solid var(--lead);
  background: var(--rail-deep);
  color: #D5DCE3;
}
.colophon a { color: #EEF1F4; }
.colophon__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin-bottom: 0.85rem;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.colophon__nav a { text-decoration: none; }
.colophon p { margin: 0; font-size: 0.9rem; color: #A8B3BE; }

@media (max-width: 560px) {
  .entry { grid-template-columns: 1fr; gap: 0.45rem; }
  .hero__tickets { justify-content: flex-end; }
}