/* ===========================================================
   pzz.lu — Wabi-Sabi Pale-Sky Periodical
   A quarterly magazine in Rice Paper Cream & Pale Sky.
   =========================================================== */

:root {
  /* Ethereal-Blue Palette (from DESIGN.md) */
  --c-rice-paper:   #F5F1E6;  /* Rice Paper Cream — base page (75% surface) */
  --c-aged-vellum:  #E8E2D2;  /* Aged Vellum — sidebars, intermezzo */
  --c-mist-white:   #D6E2EC;  /* Mist White — topmost paper overlay */
  --c-pale-sky:     #C7D5E0;  /* Pale Sky Mist — soft washes, hairlines */
  --c-dawn-sky:     #7C9DBA;  /* Dawn Sky — accent, marginalia, ink-strokes */
  --c-twilight:     #3E5B73;  /* Twilight Indigo — body text */
  --c-ink-black:    #1F2A35;  /* Ink Black — wordmark, press-bar */
  --c-vermillion:   #B53D2A;  /* Vermillion Seal — sole warm accent */

  /* Typography */
  --f-display: "Yeseva One", "Cormorant Garamond", Georgia, serif;
  --f-body:    "Cormorant Garamond", "EB Garamond", Georgia, serif;

  /* Baseline grid */
  --baseline: 32px;
  --gutter:   3vw;
  --outer:    10vw;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--c-rice-paper);
  color: var(--c-twilight);
  font-family: var(--f-body);
  font-size: clamp(18px, 1.4vw, 21px);
  line-height: 1.78;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  scroll-behavior: smooth;
  position: relative;
}

.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

::selection { background: rgba(124, 157, 186, 0.30); color: var(--c-ink-black); }

/* ===========================================================
   PAPER GRAIN OVERLAY — fixed across viewport, faint texture
   =========================================================== */
.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  background-image:
    radial-gradient(circle at 18% 24%, rgba(62, 91, 115, 0.018) 0, transparent 38%),
    radial-gradient(circle at 78% 62%, rgba(124, 157, 186, 0.020) 0, transparent 42%),
    radial-gradient(circle at 50% 90%, rgba(62, 91, 115, 0.015) 0, transparent 35%);
  filter: url(#paperGrain);
  mix-blend-mode: multiply;
  animation: paperGrainIn 1.4s 0.2s ease forwards;
}

@keyframes paperGrainIn { to { opacity: 0.04; } }

/* ===========================================================
   FLOATING TRANSLUCENT PAPER LAYERS — parallax depth
   =========================================================== */
.paper-layers {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.paper-sheet {
  position: absolute;
  width: 120%;
  height: 120vh;
  left: -10%;
  top: -10vh;
  pointer-events: none;
  border-radius: 2px;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  box-shadow: 0 3px 12px rgba(31, 42, 53, 0.025);
}

.sheet-1 {
  background: var(--c-mist-white);
  opacity: 0.06;
}
.sheet-2 {
  background: var(--c-aged-vellum);
  opacity: 0.04;
}
.sheet-3 {
  background: var(--c-pale-sky);
  opacity: 0.03;
}

/* ===========================================================
   LEFT-EDGE PROGRESS RULE — navigation
   =========================================================== */
.progress-rule {
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  height: 60vh;
}

.progress-track {
  position: relative;
  width: 1px;
  flex: 1;
  background: var(--c-pale-sky);
}

.progress-fill {
  position: absolute;
  top: 0; left: 0;
  width: 1px;
  height: 0%;
  background: var(--c-dawn-sky);
  transition: height 0.18s ease-out;
}

.progress-ticks {
  position: absolute;
  inset: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 0;
}

.progress-ticks li { display: flex; align-items: center; }

.tick {
  background: var(--c-rice-paper);
  border: 0.5px solid var(--c-pale-sky);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  padding: 0;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.tick span {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-body);
  font-size: 10px;
  font-variant: small-caps;
  letter-spacing: 0.12em;
  color: var(--c-dawn-sky);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.tick:hover { background: var(--c-dawn-sky); border-color: var(--c-dawn-sky); transform: scale(1.25); }
.tick:hover span { opacity: 1; }
.tick.is-active { background: var(--c-dawn-sky); border-color: var(--c-dawn-sky); }
.tick.is-active span { opacity: 1; color: var(--c-twilight); }

/* ===========================================================
   SECTION LABEL — drifts in lower-left
   =========================================================== */
.section-label {
  position: fixed;
  bottom: 32px;
  left: 60px;
  z-index: 70;
  font-family: var(--f-body);
  font-variant: small-caps;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-twilight);
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  transform: translateY(8px);
  pointer-events: none;
  max-width: 70vw;
}

.section-label.is-visible { opacity: 0.85; transform: translateY(0); }

/* ===========================================================
   SPREAD — base structure
   =========================================================== */
.spread {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--c-rice-paper);
  padding: 4vh var(--outer);
  overflow: hidden;
  /* Edge-deckled clip-path: subtle irregular borders */
  --d1: 1px; --d2: 2px; --d3: 1.5px; --d4: 2.5px; --d5: 1.2px; --d6: 1.8px;
  z-index: 10;
}

/* Vertical gutter between pages */
.spread::before {
  content: "";
  position: absolute;
  top: 8vh; bottom: 8vh;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(199, 213, 224, 0.55) 12%,
    rgba(199, 213, 224, 0.55) 88%,
    transparent 100%);
  pointer-events: none;
}

.spread-tall { min-height: 170vh; }
.spread-intermezzo, .spread-colophon, .spread-contents, .spread-editor, .spread-cover { min-height: 100vh; }

/* Per-spread tilt (1.5deg variation) */
.spread-editor   { --tilt: -0.8deg; }
.spread-contents { --tilt:  0.6deg; }
.spread-feature  { --tilt: -0.4deg; }
.spread-intermezzo { --tilt: 0.5deg; }
.spread-colophon { --tilt: -0.6deg; }

/* ===========================================================
   SPREAD BORDER — animates clockwise
   =========================================================== */
.spread-border {
  position: absolute;
  inset: 4vh var(--outer);
  width: calc(100% - 2 * var(--outer));
  height: calc(100% - 8vh);
  pointer-events: none;
  z-index: 12;
}

.spread-border-rect {
  fill: none;
  stroke: var(--c-pale-sky);
  stroke-width: 0.7;
  stroke-dasharray: 3200;
  stroke-dashoffset: 3200;
  vector-effect: non-scaling-stroke;
}

.spread.is-in-view .spread-border-rect {
  animation: borderDraw 1.4s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes borderDraw { to { stroke-dashoffset: 0; } }

/* ===========================================================
   PAGE — left & right within a spread
   =========================================================== */
.page {
  position: relative;
  padding: 8vh 3vw 6vh;
  z-index: 14;
}

.page-left  { padding-right: 4vw; }
.page-right { padding-left: 4vw; }

/* Folio marks (top corners, occasionally bottom) */
.folio {
  position: absolute;
  top: 6vh;
  font-family: var(--f-body);
  font-size: 11px;
  font-variant: small-caps;
  letter-spacing: 0.14em;
  color: var(--c-twilight);
  opacity: 0.7;
}

.folio-tl { left: 3vw; }
.folio-tr { right: 3vw; }
.folio-bl { left: 3vw; top: auto; bottom: 6vh; font-style: italic; }
.folio-tc { left: 50%; transform: translateX(-50%); top: 5vh; }

/* ===========================================================
   COVER SPREAD
   =========================================================== */
.spread-cover {
  background: var(--c-rice-paper);
}

.spread-cover .page-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

.cover-wordmark-wrap {
  position: relative;
  display: inline-block;
  transform: rotate(-1.5deg);
  text-align: center;
}

.cover-wordmark {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(56px, 11vw, 168px);
  letter-spacing: -0.012em;
  line-height: 1.04;
  color: var(--c-ink-black);
  display: inline-flex;
  gap: 0;
}

.cover-wordmark .letter {
  display: inline-block;
  opacity: 0;
  transform: rotate(-1.5deg) translateY(8px);
  transform-origin: 50% 80%;
  animation: letterSettle 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.cover-wordmark .letter:nth-child(1) { animation-delay: 0.20s; }
.cover-wordmark .letter:nth-child(2) { animation-delay: 0.23s; }
.cover-wordmark .letter:nth-child(3) { animation-delay: 0.26s; }
.cover-wordmark .letter:nth-child(4) { animation-delay: 0.29s; }
.cover-wordmark .letter:nth-child(5) { animation-delay: 0.32s; }
.cover-wordmark .letter:nth-child(6) { animation-delay: 0.35s; }

@keyframes letterSettle {
  to { opacity: 1; transform: rotate(0deg) translateY(0); }
}

.hanko-seal {
  display: inline-block;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.hanko-cover {
  width: clamp(60px, 7vw, 96px);
  height: clamp(60px, 7vw, 96px);
  margin: 24px auto 0;
  display: block;
  opacity: 0;
  transform: scale(0.4);
  animation: hankoStamp 0.7s 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.hanko-seal svg { width: 100%; height: 100%; display: block; }

.hanko-seal:hover { transform: scale(1.05); }

@keyframes hankoStamp {
  0%   { opacity: 0; transform: scale(0.4); }
  60%  { opacity: 1; transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1); }
}

.spread-cover .page-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  padding-bottom: 14vh;
}

.cover-haiku {
  text-align: right;
  font-family: var(--f-body);
  font-style: italic;
  color: var(--c-twilight);
  font-size: clamp(15px, 1.4vw, 20px);
  line-height: 1.78;
  opacity: 0;
  transform: translateY(12px);
  animation: haikuRise 0.8s 1s ease forwards;
  max-width: 32ch;
}

@keyframes haikuRise { to { opacity: 1; transform: translateY(0); } }

.haiku-line { display: block; }

.press-bar {
  position: absolute;
  bottom: 4vh;
  left: 3vw;
  right: 3vw;
  text-align: center;
  font-family: var(--f-body);
  font-variant: small-caps;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-twilight);
  opacity: 0.6;
  border-top: 0.5px solid var(--c-pale-sky);
  padding-top: 12px;
}

.press-bar-cover { right: 3vw; left: auto; width: 80%; text-align: right; }

/* ===========================================================
   EDITOR'S NOTE SPREAD
   =========================================================== */
.spread-editor .page-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pullquote {
  font-family: var(--f-body);
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.45;
  color: var(--c-twilight);
  position: relative;
  padding: 32px 24px;
  background: rgba(199, 213, 224, 0.18);
  border-radius: 3px;
  border: 0.5px solid rgba(124, 157, 186, 0.35);
  transform: rotate(-0.8deg);
  transition: transform 0.3s ease, background 0.3s ease;
}

.pullquote-editor {
  max-width: 28ch;
  margin-left: 2vw;
}

.pullquote::before {
  content: "";
  position: absolute;
  top: -8px; left: 18px;
  width: 28px; height: 28px;
  background: var(--c-vermillion);
  border-radius: 50%;
  opacity: 0.92;
  filter: blur(0.4px);
}

.pullquote-text { display: block; }

.pullquote-text::first-letter {
  font-family: var(--f-display);
  font-size: 1.6em;
  font-style: normal;
  float: left;
  line-height: 0.9;
  padding-right: 8px;
  padding-top: 4px;
  color: var(--c-vermillion);
}

.pullquote-attr {
  display: block;
  font-size: 14px;
  font-style: italic;
  color: var(--c-dawn-sky);
  margin-top: 12px;
  letter-spacing: 0.02em;
}

.pullquote:hover { transform: rotate(-0.8deg) scale(1.04); background: rgba(199, 213, 224, 0.28); }

/* Body text */
.body-text {
  font-family: var(--f-body);
  font-size: clamp(18px, 1.4vw, 21px);
  line-height: 1.78;
  color: var(--c-twilight);
  margin-bottom: 1.2em;
  max-width: 36ch;
}

.body-text em { color: var(--c-twilight); }
.body-text strong { color: var(--c-twilight); font-weight: 600; }

.dropcap {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(64px, 5vw, 96px);
  color: var(--c-vermillion);
  float: left;
  line-height: 0.82;
  padding-right: 14px;
  padding-top: 8px;
  display: inline-block;
  transform: rotate(-2.2deg);
  transition: transform 0.5s ease, filter 0.5s ease;
  filter: drop-shadow(0 0 0.5px rgba(181, 61, 42, 0.6));
}

.dropcap:hover {
  transform: rotate(-1.7deg);
  filter: drop-shadow(0 0 12px rgba(181, 61, 42, 0.45));
}

/* Marginalia */
.marginalia {
  position: absolute;
  font-family: var(--f-body);
  font-style: italic;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(124, 157, 186, 0.7);
  letter-spacing: 0.02em;
  opacity: 0.5;
  transition: opacity 0.24s ease;
  max-width: 18ch;
}

.marginalia.is-near { opacity: 0.95; }

.marginalia-r {
  right: -2vw;
  top: 20%;
}

.marginalia-low { top: auto; bottom: 18%; }

.marginalia-mark {
  font-family: var(--f-display);
  font-style: normal;
  color: var(--c-vermillion);
  font-size: 18px;
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
}

/* ===========================================================
   TABLE OF CONTENTS
   =========================================================== */
.contents-header {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 88px);
  color: var(--c-twilight);
  letter-spacing: -0.012em;
  line-height: 1.04;
  margin: 6vh 0 5vh;
  transform: rotate(-1deg);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.toc-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.toc-num {
  font-family: var(--f-body);
  font-variant: small-caps;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-dawn-sky);
  min-width: 26px;
}

.toc-link {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--c-twilight);
  font-family: var(--f-body);
  font-size: clamp(17px, 1.4vw, 20px);
  transition: color 0.3s ease;
}

.toc-title { flex: 0 0 auto; }

.toc-leader {
  flex: 1 1 auto;
  border-bottom: 0.5px dotted var(--c-dawn-sky);
  margin: 0 6px;
  position: relative;
  top: -4px;
}

.toc-page {
  font-variant: small-caps;
  font-size: 13px;
  letter-spacing: 0.10em;
  color: var(--c-dawn-sky);
  font-style: italic;
}

.toc-link:hover { color: var(--c-vermillion); }
.toc-link:hover .toc-leader { border-bottom-color: var(--c-vermillion); }

.page-right-contents {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sumie {
  width: 70%;
  max-width: 380px;
  height: auto;
  display: block;
  margin: 4vh auto 1vh;
}

.sumie-stroke {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
}

.spread.is-in-view .sumie-stroke {
  animation: sumieDraw 2.4s 0.6s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

.spread.is-in-view .sumie-stroke-2 {
  animation: sumieDraw 1.6s 1.2s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes sumieDraw { to { stroke-dashoffset: 0; } }

.caption {
  font-family: var(--f-body);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-twilight);
  text-align: center;
  max-width: 34ch;
  margin: 1vh auto 0;
}

.caption-sumie { color: var(--c-dawn-sky); }

/* ===========================================================
   FEATURE SPREADS
   =========================================================== */
.page-left-feature {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 12vh;
}

.feature-image {
  width: 70%;
  max-width: 360px;
  height: auto;
  display: block;
  margin-bottom: 3vh;
}

.page-right-feature {
  padding-top: 12vh;
  padding-right: 0;
}

.feature-section-marker {
  display: inline-block;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 32px);
  color: var(--c-dawn-sky);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  transform: rotate(-1deg);
  position: relative;
  cursor: default;
}

.feature-section-marker::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 0.5px;
  background: var(--c-dawn-sky);
  opacity: 0.55;
}

.feature-title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 88px);
  color: var(--c-twilight);
  letter-spacing: -0.012em;
  line-height: 1.04;
  margin-bottom: 18px;
  transform: rotate(-0.6deg);
}

.feature-title .title-line { display: block; }

.feature-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(4px);
}

.spread.is-in-view .feature-title .word {
  animation: wordRise 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.spread.is-in-view .feature-title .title-line:nth-child(1) .word:nth-child(1) { animation-delay: 0.20s; }
.spread.is-in-view .feature-title .title-line:nth-child(1) .word:nth-child(2) { animation-delay: 0.25s; }
.spread.is-in-view .feature-title .title-line:nth-child(1) .word:nth-child(3) { animation-delay: 0.30s; }
.spread.is-in-view .feature-title .title-line:nth-child(2) .word:nth-child(1) { animation-delay: 0.35s; }
.spread.is-in-view .feature-title .title-line:nth-child(2) .word:nth-child(2) { animation-delay: 0.40s; }
.spread.is-in-view .feature-title .title-line:nth-child(2) .word:nth-child(3) { animation-delay: 0.45s; }

@keyframes wordRise { to { opacity: 1; transform: translateY(0); } }

.feature-deck {
  font-family: var(--f-body);
  font-style: italic;
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--c-twilight);
  margin-bottom: 32px;
  max-width: 42ch;
  opacity: 0.85;
}

.feature-body { position: relative; }

/* Pull-quote in the gutter */
.pullquote-gutter {
  font-family: var(--f-body);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--c-twilight);
  background: rgba(199, 213, 224, 0.18);
  border: 0.5px solid rgba(124, 157, 186, 0.35);
  border-radius: 3px;
  padding: 22px 22px;
  margin: 24px -3vw 24px 0;
  max-width: 28ch;
  position: relative;
  transform: rotate(-0.4deg);
  transition: transform 0.3s ease, background 0.3s ease;
  animation: pullquoteDrift 14s ease-in-out infinite;
}

@keyframes pullquoteDrift {
  0%, 100% { transform: rotate(-0.4deg) translateY(0); }
  50%      { transform: rotate(-0.4deg) translateY(6px); }
}

.pullquote-gutter:hover {
  transform: rotate(-0.4deg) scale(1.04);
  background: rgba(199, 213, 224, 0.28);
  animation-play-state: paused;
}

.body-text-coda {
  margin-top: 32px;
  font-style: italic;
  color: var(--c-dawn-sky);
  font-size: 15px;
  border-top: 0.5px solid var(--c-pale-sky);
  padding-top: 18px;
}

.kanji-end {
  font-family: var(--f-display);
  color: var(--c-vermillion);
  font-size: 20px;
  font-style: normal;
}

/* Letter blockquote (within feature 02) */
.letter {
  font-family: var(--f-body);
  font-style: italic;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.72;
  color: var(--c-twilight);
  background: rgba(232, 226, 210, 0.30);
  border-left: 2px solid var(--c-vermillion);
  padding: 18px 22px;
  margin: 22px 0;
  max-width: 36ch;
  border-radius: 0 3px 3px 0;
}

.letter p { margin-bottom: 0.8em; }
.letter p:last-child { margin-bottom: 0; }
.letter-sign { text-align: right; color: var(--c-dawn-sky); font-size: 14px; }

/* ===========================================================
   INTERMEZZO
   =========================================================== */
.spread-intermezzo {
  background: var(--c-aged-vellum);
  display: flex;
  align-items: center;
  justify-content: center;
}

.spread-intermezzo::before { display: none; }

.intermezzo-stage {
  position: relative;
  z-index: 14;
  text-align: center;
  max-width: 580px;
  padding: 0 4vw;
}

.intermezzo-art {
  width: 80%;
  max-width: 460px;
  height: auto;
  display: block;
  margin: 5vh auto 4vh;
}

.intermezzo-art path,
.intermezzo-art ellipse {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
}

.spread.is-in-view .intermezzo-art path,
.spread.is-in-view .intermezzo-art ellipse {
  animation: intermezzoDraw 2.5s 0.5s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes intermezzoDraw { to { stroke-dashoffset: 0; } }

.intermezzo-caption {
  font-family: var(--f-body);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.6;
  color: var(--c-twilight);
  margin-top: 1vh;
}

.intermezzo-caption .haiku-line { display: block; }

/* ===========================================================
   COLOPHON
   =========================================================== */
.spread-colophon {
  background: var(--c-rice-paper);
}

.page-left-colophon {
  padding-top: 12vh;
}

.colophon-header {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 88px);
  color: var(--c-twilight);
  letter-spacing: -0.012em;
  line-height: 1.04;
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 5vh;
  transform: rotate(-1deg);
}

.hanko-colophon {
  width: clamp(48px, 5vw, 72px);
  height: clamp(48px, 5vw, 72px);
}

.colophon-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 4vh;
}

.colophon-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 0.5px solid rgba(199, 213, 224, 0.55);
}

.colophon-row dt {
  font-family: var(--f-body);
  font-variant: small-caps;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-dawn-sky);
  padding-top: 3px;
}

.colophon-row dd {
  font-family: var(--f-body);
  font-size: 17px;
  color: var(--c-twilight);
  line-height: 1.55;
}

.colophon-thanks {
  font-family: var(--f-body);
  font-style: italic;
  font-size: 16px;
  color: var(--c-dawn-sky);
  max-width: 42ch;
}

.page-right-colophon {
  padding-top: 12vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.invite {
  max-width: 38ch;
  margin: 0 auto;
  text-align: left;
}

.invite-header {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 56px);
  color: var(--c-twilight);
  letter-spacing: -0.012em;
  line-height: 1.06;
  margin-bottom: 20px;
  transform: rotate(-1deg);
}

.invite-body {
  font-family: var(--f-body);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.7;
  color: var(--c-twilight);
  margin-bottom: 28px;
}

.invite-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.invite-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.invite-label-text {
  font-family: var(--f-body);
  font-variant: small-caps;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-dawn-sky);
}

.invite-input {
  font-family: var(--f-body);
  font-size: 17px;
  color: var(--c-twilight);
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--c-dawn-sky);
  padding: 8px 4px;
  outline: none;
  transition: border-color 0.3s ease;
}

.invite-input::placeholder { color: var(--c-dawn-sky); opacity: 0.55; font-style: italic; }
.invite-input:focus { border-bottom-color: var(--c-vermillion); }

.invite-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--c-vermillion);
  color: var(--c-rice-paper);
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 28px);
  border: none;
  padding: 12px 26px;
  border-radius: 3px;
  cursor: pointer;
  transform: rotate(-1.5deg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  align-self: flex-start;
  margin-top: 10px;
  letter-spacing: -0.01em;
}

.invite-submit:hover {
  transform: rotate(-1.5deg) scale(1.05);
  box-shadow: 0 4px 14px rgba(181, 61, 42, 0.35);
}

.invite-submit.is-stamped {
  animation: stampPress 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes stampPress {
  0%   { transform: rotate(-1.5deg) scale(1); }
  35%  { transform: rotate(-1.5deg) scale(1.2); box-shadow: 0 0 22px rgba(181, 61, 42, 0.55); }
  100% { transform: rotate(-1.5deg) scale(1); }
}

.hanko-submit {
  width: 32px;
  height: 32px;
  display: inline-block;
  background: transparent;
}

.invite-confirm {
  font-family: var(--f-body);
  font-style: italic;
  font-size: 15px;
  color: var(--c-dawn-sky);
  margin-top: 12px;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.invite-confirm.is-visible { opacity: 1; }

.press-bar-colophon { width: auto; left: 3vw; right: 3vw; text-align: center; }

/* ===========================================================
   COFFEE-RING — one random per session
   =========================================================== */
.coffee-ring {
  position: absolute;
  width: 220px;
  height: 220px;
  pointer-events: none;
  z-index: 11;
  opacity: 0;
  transition: opacity 6s ease-in;
}

.coffee-ring.is-visible { opacity: 1; }

/* ===========================================================
   SCROLL-BASED ENTRANCE — body lines fade in
   =========================================================== */
.spread .body-text {
  opacity: 0;
  transform: translateY(0);
  transition: opacity 0.8s ease;
}

.spread.is-in-view .body-text {
  opacity: 1;
}

.spread .body-text:nth-of-type(1) { transition-delay: 0.40s; }
.spread .body-text:nth-of-type(2) { transition-delay: 0.50s; }
.spread .body-text:nth-of-type(3) { transition-delay: 0.60s; }
.spread .body-text:nth-of-type(4) { transition-delay: 0.70s; }
.spread .body-text:nth-of-type(5) { transition-delay: 0.80s; }
.spread .body-text:nth-of-type(6) { transition-delay: 0.90s; }
.spread .body-text:nth-of-type(7) { transition-delay: 1.00s; }

.spread .feature-deck,
.spread .feature-section-marker,
.spread .pullquote,
.spread .pullquote-gutter,
.spread .letter,
.spread .toc-item,
.spread .marginalia,
.spread .colophon-row,
.spread .colophon-thanks,
.spread .invite,
.spread .caption,
.spread .intermezzo-caption {
  opacity: 0;
  transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
  transform: translateY(0);
}

.spread.is-in-view .feature-deck,
.spread.is-in-view .feature-section-marker,
.spread.is-in-view .pullquote,
.spread.is-in-view .pullquote-gutter,
.spread.is-in-view .letter,
.spread.is-in-view .toc-item,
.spread.is-in-view .marginalia,
.spread.is-in-view .colophon-row,
.spread.is-in-view .colophon-thanks,
.spread.is-in-view .invite,
.spread.is-in-view .caption,
.spread.is-in-view .intermezzo-caption {
  opacity: 1;
  transform: translateY(0);
}

.spread.is-in-view .marginalia { opacity: 0.5; }
.spread.is-in-view .marginalia.is-near { opacity: 0.95; }

.spread.is-in-view .toc-item:nth-child(1) { transition-delay: 0.40s; }
.spread.is-in-view .toc-item:nth-child(2) { transition-delay: 0.50s; }
.spread.is-in-view .toc-item:nth-child(3) { transition-delay: 0.60s; }
.spread.is-in-view .toc-item:nth-child(4) { transition-delay: 0.70s; }
.spread.is-in-view .toc-item:nth-child(5) { transition-delay: 0.80s; }
.spread.is-in-view .toc-item:nth-child(6) { transition-delay: 0.90s; }
.spread.is-in-view .toc-item:nth-child(7) { transition-delay: 1.00s; }
.spread.is-in-view .toc-item:nth-child(8) { transition-delay: 1.10s; }

.spread.is-in-view .colophon-row:nth-child(1) { transition-delay: 0.40s; }
.spread.is-in-view .colophon-row:nth-child(2) { transition-delay: 0.50s; }
.spread.is-in-view .colophon-row:nth-child(3) { transition-delay: 0.60s; }
.spread.is-in-view .colophon-row:nth-child(4) { transition-delay: 0.70s; }
.spread.is-in-view .colophon-row:nth-child(5) { transition-delay: 0.80s; }
.spread.is-in-view .colophon-row:nth-child(6) { transition-delay: 0.90s; }
.spread.is-in-view .colophon-row:nth-child(7) { transition-delay: 1.00s; }

/* ===========================================================
   RESPONSIVE — collapse to single column under 768px
   =========================================================== */
@media (max-width: 880px) {
  :root {
    --outer: 6vw;
  }

  .spread {
    grid-template-columns: 1fr;
    padding: 4vh 6vw;
  }

  .spread::before { display: none; }

  .spread-border { inset: 4vh 6vw; width: calc(100% - 12vw); }

  .page-left, .page-right { padding: 4vh 0 2vh; }
  .page-right-contents, .page-right-feature, .page-right-colophon { padding-top: 4vh; }

  .progress-rule { left: 12px; height: 50vh; }
  .tick span { display: none; }

  .marginalia-r {
    position: relative;
    right: auto;
    top: auto;
    margin: 18px 0;
    max-width: 100%;
    font-size: 13px;
  }

  .pullquote-gutter {
    margin-right: 0;
    max-width: 100%;
  }

  .colophon-row { grid-template-columns: 100px 1fr; }

  .cover-wordmark { font-size: clamp(48px, 17vw, 110px); }

  .feature-title { font-size: clamp(36px, 9vw, 64px); }

  .contents-header { font-size: clamp(34px, 9vw, 64px); }

  .section-label { left: 24px; font-size: 11px; }

  .toc-link { flex-wrap: wrap; }
  .toc-leader { display: none; }

  .invite-submit { transform: rotate(-1deg); }
  .invite-submit:hover { transform: rotate(-1deg) scale(1.04); }
}

@media (max-width: 520px) {
  .body-text { font-size: 17px; }
  .cover-wordmark { font-size: 18vw; }
  .feature-title { font-size: 11vw; line-height: 1.05; }
  .contents-header { font-size: 12vw; line-height: 1.05; }
  .feature-image, .sumie, .intermezzo-art { width: 90%; }
  .colophon-row { grid-template-columns: 80px 1fr; gap: 12px; }
  .colophon-row dt { font-size: 11px; }
  .colophon-row dd { font-size: 15px; }
  .pullquote { padding: 22px 18px; }
}