:root {
  --ink: #17324d;
  --saffron: #d9940f;
  --mist: #e4eaf0;
  --mist-deep: #d5dde6;
  --ink-soft: #3a5570;
  --read: 56rem;
  --sheet: 74rem;
  --radius: 15px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Newsreader", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--mist);
  background-image: none;
}

.side-rail {
  display: none;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: var(--mist);
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

main {
  position: relative;
  z-index: 1;
  max-width: var(--sheet);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.top-mark {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0.25rem 1.15rem;
  max-width: var(--sheet);
  margin: 0 auto;
  border-bottom: 2px dashed var(--ink-soft);
}

.top-mark-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.top-mark-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
}

.top-mark-place {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.fold-toggle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--mist);
  color: var(--ink);
  cursor: pointer;
}

.stub-mast {
  margin-top: 1.25rem;
  background: var(--ink);
  color: var(--mist);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.stub-mast::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 18px;
  height: 36px;
  transform: translate(50%, -50%);
  background: var(--mist);
  border-radius: 50%;
}

.stub-mast-pad,
.stub-lead-pad {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 2.4rem 2rem 2.6rem;
}

.stub-mast-copy {
  min-width: 0;
}

.stub-mast-draw {
  justify-self: center;
}

@media (min-width: 900px) {
  .stub-mast-pad,
  .stub-lead-pad {
    grid-template-columns: minmax(0, 1.4fr) minmax(12rem, 16rem);
    gap: 2.5rem;
    padding: 3rem 2.5rem 3.2rem;
  }
}

.stub-tear {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--saffron);
  margin: 0 0 0.85rem;
}

.stub-mast h1,
.stub-lead h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 4.6vw, 3.15rem);
  line-height: 1.12;
  margin: 0 0 1.15rem;
  font-weight: 700;
}

.stub-lead-text {
  margin: 0 0 1.25rem;
  max-width: 48rem;
}

.stub-mast .stub-lead-text {
  color: #c8d4e0;
}

.stub-btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  background: var(--saffron);
  color: var(--ink);
  text-decoration: none;
  border: 2px solid var(--saffron);
  cursor: pointer;
}

.stub-btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.stub-mast .stub-btn {
  color: var(--ink);
}

.fold-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.4rem;
  margin: 1.5rem 0 2.1rem;
  padding: 1rem 0;
  border-bottom: 3px solid var(--ink);
}

.fold-nav[hidden] {
  display: none;
}

.fold-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.35rem 0.55rem;
  border-left: 3px solid transparent;
}

.fold-nav a.is-notch {
  color: var(--ink);
  border-left-color: var(--saffron);
}

.fold-nav a:hover,
.fold-nav a:focus {
  color: var(--ink);
}

.stub-lead {
  margin-top: 1.25rem;
  background: #fff;
  border-left: 5px solid var(--saffron);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.folio-eyebrow {
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}

.fold-why {
  margin-bottom: 2rem;
}

.fold-why h2,
.punch-stack h2,
.folio-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.4vw, 1.9rem);
  margin: 0 0 1.15rem;
}

.tag-fold {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-fold li {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.65rem 1.05rem;
  background: #fff;
  border: 2px solid var(--mist-deep);
  border-radius: var(--radius);
}

.punch-intro {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

.punch-spot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .punch-spot {
    grid-template-columns: 1fr 1fr;
  }
}

.punch-spot-card,
.fold-index-link,
.board-index-link {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-left: 4px dotted var(--saffron);
  padding: 1.35rem 1.35rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.punch-spot-card:hover,
.fold-index-link:hover,
.board-index-link:hover {
  border-left-style: solid;
}

.punch-ico {
  display: inline-flex;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.55rem;
  color: var(--saffron);
}

.punch-line {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.punch-stack {
  margin-bottom: 2rem;
}

.folio-band {
  margin-bottom: 2rem;
  padding: 1.5rem 0;
  border-top: 2px dashed var(--mist-deep);
}

.folio-band-narrow {
  max-width: none;
}

.folio-split,
.write-desk {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}

@media (min-width: 900px) {
  .folio-split,
  .write-desk {
    grid-template-columns: minmax(0, 1.15fr) minmax(14rem, 18rem);
    gap: 2.5rem;
  }
}

.folio-split-draw,
.write-desk-side {
  justify-self: center;
}

.write-desk-note {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0.75rem 0 0;
}

.ask-sheet {
  margin-bottom: 1.25rem;
  padding-left: 1rem;
  border-left: 3px solid var(--mist-deep);
}

.ask-sheet h2,
.ask-sheet h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.ask-sheet p {
  margin: 0;
}

.write-plate {
  background: var(--ink);
  color: var(--mist);
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  margin-top: 1rem;
}

.write-plate-addr {
  font-size: 0.95rem;
  opacity: 0.9;
}

.plain-link {
  color: var(--ink);
  font-weight: 600;
}

.plain-list {
  padding-left: 1.25rem;
}

.plain-list a {
  color: var(--ink);
}

.board-index {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .board-index {
    grid-template-columns: 1fr 1fr;
  }
}

.handoff-list {
  padding-left: 1.25rem;
  margin: 0 0 1.5rem;
}

.handoff-list li {
  margin-bottom: 0.65rem;
}

.entity-dl {
  display: grid;
  grid-template-columns: minmax(8rem, 11rem) 1fr;
  gap: 0.5rem 1rem;
  margin: 0 0 1.5rem;
}

@media (max-width: 520px) {
  .entity-dl {
    grid-template-columns: 1fr;
  }
}

.entity-dl dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.entity-dl dd {
  margin: 0;
}

.write-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-top: 1.5rem;
  max-width: none;
}

.write-form label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.write-form input,
.write-form textarea {
  font-family: var(--font-body);
  font-size: 1.1rem;
  padding: 0.7rem 0.85rem;
  border: 2px solid var(--mist-deep);
  border-radius: 8px;
  background: #fff;
}

.form-note {
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 32rem;
}

.folio-end {
  position: relative;
  z-index: 1;
  max-width: var(--sheet);
  margin: 0 auto;
  padding: 2rem 1.5rem 2.5rem;
  border-top: 4px double var(--ink);
  font-size: 0.92rem;
}

.folio-end-name {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.folio-end-reg {
  margin: 0 0 0.75rem;
  color: var(--ink-soft);
}

.folio-end-warn {
  font-size: 0.88rem;
  color: var(--ink-soft);
  max-width: 36rem;
}

.folio-end-run {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 1.25rem 0;
  padding: 0.75rem 0;
  border-top: 1px solid var(--mist-deep);
  border-bottom: 1px solid var(--mist-deep);
}

.folio-end-run a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.folio-end-run a:hover {
  color: var(--saffron);
}

.folio-end-copy {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

@media (min-width: 720px) {
  .fold-toggle {
    display: none;
  }

  .fold-nav[hidden] {
    display: flex;
  }
}

@media (min-width: 1080px) {
  body {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr) 7.5rem;
    grid-template-areas:
      "west main east"
      "west foot east";
  }

  .skip-link {
    grid-area: main;
  }

  .side-rail {
    display: flex;
    align-items: stretch;
    justify-content: center;
    position: sticky;
    top: 0;
    height: 100vh;
    grid-row: 1 / -1;
    background: #dce3ea;
    overflow: hidden;
  }

  .side-rail-west {
    grid-area: west;
    border-right: 1px solid var(--mist-deep);
  }

  .side-rail-east {
    grid-area: east;
    border-left: 1px solid var(--mist-deep);
  }

  .side-rail-punch,
  .side-rail-crease {
    width: 14px;
    flex: 0 0 14px;
    background: repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 11px,
      rgba(23, 50, 77, 0.22) 11px,
      rgba(23, 50, 77, 0.22) 13px,
      transparent 13px,
      transparent 22px
    );
  }

  .side-rail-text {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 1.5rem 0.4rem;
    white-space: nowrap;
  }

  main {
    grid-area: main;
    max-width: none;
    width: 100%;
    padding: 0 2rem 3rem;
  }

  .top-mark {
    max-width: none;
  }

  .folio-end {
    grid-area: foot;
    max-width: none;
    width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.ink-mark {
  width: 1.15em;
  height: 1.15em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.fold-draw {
  width: min(100%, 16rem);
  height: auto;
  overflow: visible;
}

.fold-draw-sheet {
  fill: #fff;
  stroke: var(--ink);
  stroke-width: 2.5;
}

.fold-draw-flap,
.fold-draw-line {
  fill: none;
  stroke: var(--ink-soft);
  stroke-width: 2;
}

.fold-draw-tear {
  fill: none;
  stroke: var(--saffron);
  stroke-width: 2.4;
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
}

.fold-draw-hole {
  fill: var(--mist);
  stroke: var(--ink);
  stroke-width: 1.6;
}

.fold-draw-stamp {
  fill: var(--saffron);
  opacity: 0.85;
  transform-box: fill-box;
  transform-origin: center;
}

.fold-draw-ink .fold-draw-sheet {
  fill: #214560;
  stroke: #d8e2ea;
}

.fold-draw-ink .fold-draw-flap,
.fold-draw-ink .fold-draw-line {
  stroke: #9eb0bf;
}

.fold-draw-ink .fold-draw-hole {
  fill: #17324d;
  stroke: #d8e2ea;
}

@media (prefers-reduced-motion: no-preference) {
  .stub-mast::after {
    animation: tear-nudge 1.2s ease-out 1;
  }

  .fold-draw-tear {
    animation: tear-draw 1.4s ease-out 1 forwards;
  }

  .fold-draw-stamp {
    animation: stamp-drop 1.1s ease-out 1;
  }

  .fold-draw-hole {
    animation: hole-pop 0.7s ease-out both;
  }

  .fold-draw-hole:nth-of-type(1) { animation-delay: 0.15s; }
  .fold-draw-hole:nth-of-type(2) { animation-delay: 0.25s; }
  .fold-draw-hole:nth-of-type(3) { animation-delay: 0.35s; }
  .fold-draw-hole:nth-of-type(4) { animation-delay: 0.45s; }
}

@keyframes tear-nudge {
  from {
    transform: translate(80%, -50%);
    opacity: 0;
  }
  to {
    transform: translate(50%, -50%);
    opacity: 1;
  }
}

@keyframes tear-draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes stamp-drop {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 0.85;
  }
}

@keyframes hole-pop {
  from {
    transform: scale(0.4);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}