/* ============================================================================
   claudia-orientation-signal.css
   Pages 1–6: Porcelain × Signal orientation for the international preview.
   The opening uses open editorial space, a quiet signal rail and role-based
   pedagogy. Pages 7–10 intentionally remain under the lesson stylesheet.
   ========================================================================== */

.orientation {
  --ori-porcelain: #f7f8f5;
  --ori-celadon: #dfece7;
  --ori-signal: #5f9fac;
  --ori-signal-dark: #386f78;
  --ori-red: #b9434f;
  --ori-gold: #c59b52;
  --ori-violet: #71638f;
  --ori-line: rgba(43, 76, 62, .2);
  background:
    radial-gradient(105% 65% at 100% 0%, rgba(95, 159, 172, .11), transparent 55%),
    radial-gradient(85% 60% at 0% 100%, rgba(185, 67, 79, .07), transparent 58%),
    linear-gradient(180deg, #fff 0%, var(--ori-porcelain) 100%);
}

.orientation:not(.orientation--cover)::before {
  content: "";
  position: absolute;
  top: 29mm;
  bottom: 26mm;
  left: 7mm;
  width: 2px;
  background: linear-gradient(var(--ori-signal), rgba(95, 159, 172, .08));
}

.orientation .page__header {
  color: var(--ori-signal-dark);
  border-bottom-color: rgba(95, 159, 172, .32);
}

.orientation .page__header::before {
  content: var(--gengo-signal-label, "SIGNAL");
  margin-right: 9px;
  padding: 3px 7px;
  border-radius: 99px;
  color: #fff;
  background: var(--ori-signal-dark);
  font-size: 7px;
  letter-spacing: .16em;
}

.orientation .page__header > :first-child { margin-right: auto; }
.orientation .page__header .chap-glyph { color: var(--ori-red); }
.orientation .page__footer { border-top-color: rgba(95, 159, 172, .26); }
.orientation .page__num { background: var(--ori-signal-dark); }
.orientation .eyebrow { color: var(--ori-red); }
.orientation h1 { max-width: 14em; }
.orientation .lead { max-width: 46em; }

.orientation-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ori-signal-dark);
}

.orientation-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--ori-signal);
}

/* ---- Page 1: cover as a confident creator imprint ---- */
.orientation--cover {
  justify-content: stretch;
  align-items: stretch;
  text-align: left;
  background:
    linear-gradient(90deg, transparent 0 9%, rgba(95, 159, 172, .2) 9% 9.3%, transparent 9.3%),
    radial-gradient(78% 48% at 86% 18%, rgba(223, 236, 231, .95), transparent 70%),
    radial-gradient(65% 50% at 12% 90%, rgba(185, 67, 79, .09), transparent 72%),
    linear-gradient(145deg, #fff 0%, #f7f8f5 68%, #edf3ef 100%);
}

.orientation--cover .cover__kanji-bg {
  opacity: .045;
  color: var(--ori-signal-dark);
}

.orientation-cover__topline {
  position: absolute;
  z-index: 3;
  top: 12mm;
  left: 13mm;
  right: 13mm;
  display: flex;
  justify-content: space-between;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(43, 76, 62, .2);
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ori-signal-dark);
  text-transform: uppercase;
}

.orientation--cover .cover__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(var(--pg-h) - 26mm);
  padding: 16mm 7mm 17mm 12mm;
}

.orientation--cover .cover__mark {
  max-width: 10em;
  font-size: 3.65rem;
  line-height: .98;
  letter-spacing: -2px;
}

.orientation--cover .cover__jp {
  margin-top: 10px;
  padding-left: 0;
  letter-spacing: .34em;
  color: var(--ori-red);
  text-align: left;
}

.orientation-cover__promise {
  max-width: 28em;
  margin: 18px 0 14px !important;
  color: var(--ink-soft);
  font-family: var(--f-serif-jp) !important;
  font-size: 1.14rem !important;
  line-height: 1.55 !important;
}

.orientation-cover__proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 390px;
  max-width: 100%;
  margin: 0 0 10px;
  border-top: 1px solid var(--ori-line);
  border-bottom: 1px solid var(--ori-line);
}

.orientation-cover__proof > div {
  padding: 9px 12px 8px 0;
}

.orientation-cover__proof > div + div {
  padding-left: 12px;
  border-left: 1px solid var(--ori-line);
}

.orientation-cover__proof b {
  display: block;
  font-family: var(--f-serif-jp);
  font-size: 1.14rem;
  color: var(--matcha);
}

.orientation-cover__proof span {
  display: block;
  margin-top: 2px;
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.orientation-cover__cast {
  width: 430px;
  max-width: 100%;
  min-height: 138px;
  margin-top: 6px;
  border-bottom: 1px solid rgba(43, 76, 62, .14);
}

.orientation-cover__n5 {
  position: absolute;
  z-index: 0;
  left: 3px;
  top: 39px;
  width: 108px;
  padding: 10px 8px 9px;
  transform: rotate(-3deg);
  border: 2px solid var(--ori-red);
  border-radius: 13px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 5px 5px 0 rgba(185, 67, 79, .1);
  color: var(--ori-red);
  text-align: center;
}

.orientation-cover__n5 b {
  display: block;
  font-family: var(--f-serif-jp);
  font-size: 1rem;
  line-height: 1.05;
}

.orientation-cover__n5 span {
  display: block;
  margin-top: 3px;
  font-family: var(--f-mono);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.orientation-cover__cast--n5-reveal .pose-actor--tsuki {
  --pose-x: -88px;
  --pose-y: 1px;
  --pose-scale: .83;
  --pose-rotate: -2deg;
  --pose-z: 3;
}

.orientation-cover__cast--n5-reveal .pose-actor--selene {
  --pose-x: 2px;
  --pose-y: 7px;
  --pose-scale: .8;
  --pose-rotate: -3deg;
  --pose-z: 2;
}

.orientation-cover__cast--n5-reveal .pose-actor--marina {
  --pose-x: 91px;
  --pose-y: 1px;
  --pose-scale: .83;
  --pose-rotate: -2deg;
  --pose-z: 3;
}

.orientation-cover__imprint {
  position: absolute;
  z-index: 3;
  right: 13mm;
  bottom: 12mm;
  left: 13mm;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding-top: 8px;
  border-top: 1px solid rgba(43, 76, 62, .22);
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--ink-soft);
}

.orientation-cover__imprint strong {
  display: block;
  color: var(--matcha);
  font-family: var(--f-body);
  font-size: 12px;
}

.orientation-cover__imprint span:last-child { text-align: right; }

/* ---- Page 2: editorial note and transparent credit hierarchy ---- */
.edition-hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  align-items: end;
  margin: 4px 0 14px;
}

.orientation--imprint h1 { font-size: 1.95rem; }

.edition-hero__statement {
  margin: 0 !important;
  font-family: var(--f-serif-jp) !important;
  font-size: 1.16rem !important;
  line-height: 1.52 !important;
  color: var(--matcha);
}

.edition-hero__signal {
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--ori-red);
  color: var(--ink-soft);
  font-size: .79rem;
  line-height: 1.52;
}

.creator-imprint {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  overflow: hidden;
  margin-top: 6px;
  border: 1.5px solid rgba(43, 76, 62, .28);
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
}

.creator-imprint__creator {
  padding: 15px 18px;
  color: #fff;
  background:
    radial-gradient(circle at 86% 18%, rgba(255, 255, 255, .13), transparent 37%),
    var(--matcha);
}

.creator-imprint__creator .label,
.creator-imprint__studio .label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--f-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .78;
}

.creator-imprint__creator h2 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 1.42rem;
}

.creator-imprint__creator p {
  margin: 0 !important;
  color: rgba(255, 255, 255, .8);
  font-size: .82rem !important;
  line-height: 1.55 !important;
}

.creator-imprint__studio {
  padding: 15px 18px;
  background:
    linear-gradient(rgba(95, 159, 172, .08), rgba(95, 159, 172, .08)),
    #fff;
}

.creator-imprint__studio h3 { margin: 0 0 7px; color: var(--ori-signal-dark); }
.creator-imprint__studio p { margin: 0 !important; font-size: .82rem !important; line-height: 1.55 !important; }

.edition-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 12px 0 0;
  border-top: 1px solid var(--ori-line);
}

.edition-fact { padding: 9px 12px 0 0; }
.edition-fact + .edition-fact { padding-left: 15px; border-left: 1px solid var(--ori-line); }
.edition-fact b { display: block; margin-bottom: 4px; color: var(--matcha); font-size: .83rem; }
.edition-fact span { display: block; color: var(--ink-soft); font-size: .74rem; line-height: 1.5; }

.colophon-line {
  margin-top: auto;
  margin-bottom: 0 !important;
  padding-top: 10px;
  border-top: 1px dashed rgba(43, 76, 62, .22);
  color: var(--ink-soft);
  font-size: .61rem;
  line-height: 1.42;
}

/* ---- Page 3: learner contract ---- */
.learner-contract {
  position: relative;
  margin-top: 15px;
  padding: 17px 18px 13px 20px;
  border-left: 4px solid var(--ori-signal);
  background: linear-gradient(90deg, rgba(223, 236, 231, .55), rgba(255, 255, 255, .15));
}

.learner-contract__title {
  margin-bottom: 13px;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ori-signal-dark);
}

.principle-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 24px;
}

.principle {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 9px;
  padding: 11px 0;
  border-top: 1px solid rgba(43, 76, 62, .18);
}

.principle__num {
  font-family: var(--f-serif-jp);
  font-size: 1.25rem;
  color: var(--ori-red);
}

.principle h3 { margin: 1px 0 3px; font-size: .98rem; color: var(--matcha); }
.principle p { margin: 0 !important; color: var(--ink-soft); font-size: .78rem !important; line-height: 1.5 !important; }

.permission-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 11px 0;
  border-top: 1px solid var(--ori-line);
  border-bottom: 1px solid var(--ori-line);
}

.permission-note .mascot { filter: drop-shadow(0 4px 4px rgba(45, 41, 38, .13)); }
.permission-note blockquote {
  margin: 0;
  color: var(--matcha);
  font-family: var(--f-serif-jp);
  font-size: .98rem;
  line-height: 1.55;
}
.permission-note cite { display: block; margin-top: 5px; color: var(--ink-soft); font-family: var(--f-mono); font-size: 8px; font-style: normal; letter-spacing: .08em; text-transform: uppercase; }

/* ---- Page 4: the repeatable learning loop ---- */
.learning-loop {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 13px;
  margin: 20px 0 18px;
}

.learning-loop::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--ori-signal), var(--ori-red));
}

.learning-step { position: relative; text-align: center; }
.learning-step__node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin: 0 auto 9px;
  border-radius: 50%;
  border: 2px solid var(--ori-signal-dark);
  background: #fff;
  color: var(--ori-signal-dark);
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 700;
}

.learning-step:last-child .learning-step__node { border-color: var(--ori-red); color: var(--ori-red); }
.learning-step h3 { margin: 0 0 3px; color: var(--matcha); font-size: .94rem; }
.learning-step p { margin: 0 !important; color: var(--ink-soft); font-size: .72rem !important; line-height: 1.45 !important; }

.route-demo {
  position: relative;
  overflow: hidden;
  padding: 18px 20px;
  border-radius: 18px;
  color: #fff;
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 255, 255, .14), transparent 35%),
    var(--matcha);
}

.route-demo__label {
  font-family: var(--f-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}

.route-demo__rail {
  display: grid;
  grid-template-columns: .72fr 1.2fr 1.28fr 1fr;
  align-items: stretch;
  margin-top: 11px;
}

.route-demo__stop {
  position: relative;
  padding: 0 12px;
  border-left: 1px solid rgba(255, 255, 255, .25);
}
.route-demo__stop:first-child { padding-left: 0; border-left: 0; }
.route-demo__stop small { display: block; margin-bottom: 5px; color: rgba(255, 255, 255, .62); font-family: var(--f-mono); font-size: 7px; letter-spacing: .1em; text-transform: uppercase; }
.route-demo__stop b { font-family: var(--f-sans-jp); font-size: .92rem; }
.route-demo__stop:last-child b { font-family: var(--f-body); font-size: .76rem; }

.layer-lens {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 17px;
  padding-top: 15px;
  border-top: 1px solid var(--ori-line);
}

.layer-lens__sample { text-align: center; }
.layer-lens__sample .jp-main { font-size: 2.65rem; }
.layer-lens__sample .romaji { color: var(--ori-signal-dark); }
.layer-lens__legend { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 18px; }
.layer-lens__legend span { padding-top: 6px; border-top: 1px solid var(--ori-line); color: var(--ink-soft); font-size: .74rem; }
.layer-lens__legend b { color: var(--matcha); }

.quest-proof {
  margin: 14px 0 0;
  padding-left: 13px;
  border-left: 3px solid var(--ori-gold);
  color: var(--ink-soft);
  font-size: .78rem;
  line-height: 1.55;
}

/* ---- Page 5: mascots as a cognitive learning sequence ---- */
.role-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 12px;
  padding-top: 4px;
  border-top: 1px solid var(--ori-line);
  border-bottom: 1px solid var(--ori-line);
}

.role-track::before {
  content: var(--gengo-learning-cycle-label, "TRY  →  NOTICE  →  TRANSFER");
  position: absolute;
  top: -8px;
  right: 0;
  padding-left: 10px;
  background: var(--ori-porcelain);
  color: var(--ori-signal-dark);
  font-family: var(--f-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .12em;
}

.role-person {
  position: relative;
  min-width: 0;
  padding: 8px 15px 15px;
  text-align: center;
}
.role-person + .role-person { border-left: 1px solid var(--ori-line); }
.role-person .mascot { margin-bottom: -2px; filter: drop-shadow(0 6px 5px rgba(45, 41, 38, .14)); }
.role-person__move { display: block; margin-bottom: 3px; color: var(--ori-red); font-family: var(--f-mono); font-size: 8px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.role-person h3 { margin: 0 0 3px; color: var(--matcha); font-size: 1rem; }
.role-person .role { margin: 0 0 8px; color: var(--ori-signal-dark); font-family: var(--f-mono); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.role-person p { margin: 0 !important; color: var(--ink-soft); font-size: .76rem !important; line-height: 1.5 !important; }

.borrow-the-loop {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 17px;
  align-items: center;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(223, 236, 231, .62);
}
.borrow-the-loop__mark { color: var(--ori-red); font-family: var(--f-serif-jp); font-size: 2rem; line-height: 1; }
.borrow-the-loop h3 { margin: 0 0 3px; color: var(--matcha); }
.borrow-the-loop p { margin: 0 !important; color: var(--ink-soft); font-size: .8rem !important; line-height: 1.5 !important; }

/* ---- Page 6: one authentic sentence and an active sound lab ---- */
.script-sentence {
  margin: 15px 0 17px;
  padding: 17px 19px;
  border-radius: 17px;
  border: 1.5px solid rgba(43, 76, 62, .26);
  background: rgba(255, 255, 255, .72);
}

.script-sentence__jp {
  margin: 4px 0 8px;
  font-family: var(--f-sans-jp);
  font-size: 1.72rem;
  font-weight: 700;
  line-height: 1.65;
}

.script-sentence__jp .is-kanji { box-shadow: inset 0 -7px rgba(185, 67, 79, .18); }
.script-sentence__jp .is-hiragana { box-shadow: inset 0 -7px rgba(95, 159, 172, .2); }
.script-sentence__jp .is-katakana { box-shadow: inset 0 -7px rgba(113, 99, 143, .2); }

.script-key { display: flex; flex-wrap: wrap; gap: 12px; }
.script-key span { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-soft); font-family: var(--f-mono); font-size: 8px; letter-spacing: .08em; text-transform: uppercase; }
.script-key i { width: 18px; height: 5px; border-radius: 4px; }
.script-key .key-kanji i { background: rgba(185, 67, 79, .52); }
.script-key .key-hiragana i { background: rgba(95, 159, 172, .58); }
.script-key .key-katakana i { background: rgba(113, 99, 143, .52); }

.sound-lab {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 22px;
  margin-top: 10px;
}

.sound-lab h2 { margin: 0 0 7px; font-size: 1.2rem; }
.sound-lab__intro { margin: 0 0 10px !important; color: var(--ink-soft); font-size: .78rem !important; line-height: 1.5 !important; }

.vowel-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.vowel {
  padding: 8px 2px 7px;
  border-top: 3px solid var(--ori-signal);
  background: rgba(223, 236, 231, .55);
  text-align: center;
}
.vowel b { display: block; font-family: var(--f-sans-jp); font-size: 1.15rem; color: var(--matcha); }
.vowel span { display: block; margin-top: 2px; color: var(--ink-soft); font-family: var(--f-mono); font-size: 7px; }

.timing-pair { padding: 9px 0; border-top: 1px solid var(--ori-line); }
.timing-pair:first-of-type { border-top: 0; padding-top: 0; }
.timing-pair__head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 5px; }
.timing-pair__head b { font-family: var(--f-sans-jp); font-size: .92rem; color: var(--matcha); }
.timing-pair__head span { color: var(--ink-soft); font-family: var(--f-mono); font-size: 7px; }
.beat-row { display: flex; flex-wrap: wrap; gap: 4px; }
.beat { min-width: 25px; padding: 4px 6px; border-radius: 99px; background: #fff; border: 1px solid rgba(43, 76, 62, .2); color: var(--ink); font-family: var(--f-sans-jp); font-size: .72rem; text-align: center; }
.beat.is-silence { border-style: dashed; color: var(--ori-red); background: rgba(185, 67, 79, .06); }

.orientation-retrieval {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
  margin-top: 14px;
  padding: 11px 13px;
  border: 1.5px solid rgba(185, 67, 79, .28);
  border-radius: 13px;
  background: rgba(255, 255, 255, .62);
}
.orientation-retrieval__tag { padding: 4px 7px; border-radius: 99px; color: #fff; background: var(--ori-red); font-family: var(--f-mono); font-size: 7px; font-weight: 700; letter-spacing: .1em; }
.orientation-retrieval p { margin: 0 !important; color: var(--ink-soft); font-size: .76rem !important; line-height: 1.5 !important; }

@media print {
  .orientation.orientation:not(.orientation--cover)::before { top: 22mm; bottom: 20mm; }
  .orientation.orientation--cover { height: 257mm !important; min-height: 257mm !important; overflow: hidden !important; }
  .orientation.orientation--cover .cover__inner { height: calc(257mm - 16mm); min-height: 0 !important; padding-top: 11mm; padding-bottom: 13mm; }
  .orientation.orientation--cover .orientation-cover__topline { top: 8mm; left: 9mm; right: 9mm; }
  .orientation.orientation--cover .orientation-cover__imprint { right: 9mm; bottom: 8mm; left: 9mm; }
  .orientation .edition-hero { gap: 16px; margin-bottom: 13px; }
  .orientation .creator-imprint__creator,
  .orientation .creator-imprint__studio { padding: 14px 16px; }
  .orientation .creator-imprint__creator .label,
  .orientation .creator-imprint__studio .label { margin-bottom: 9px; }
  .orientation .edition-facts { margin-top: 12px; }
  .orientation .edition-fact { padding-top: 9px; }
  .orientation .learner-contract { margin-top: 10px; padding: 11px 14px 8px 15px; }
  .orientation .principle { padding: 7px 0; }
  .orientation .permission-note { margin-top: 10px; padding: 7px 0; }
  .orientation .learning-loop { margin: 12px 0; }
  .orientation .route-demo { padding: 12px 15px; }
  .orientation .layer-lens { margin-top: 11px; padding-top: 10px; }
  .orientation .role-person { padding: 5px 10px 10px; }
  .orientation .role-person .mascot.sz-lg { width: 94px; height: 94px; }
  .orientation .borrow-the-loop { margin-top: 11px; padding: 9px 12px; }
  .orientation .script-sentence { margin: 9px 0 11px; padding: 11px 14px; }
  .orientation .sound-lab { gap: 16px; margin-top: 6px; }
  .orientation .vowel { padding: 5px 1px; }
  .orientation .timing-pair { padding: 6px 0; }
  .orientation .orientation-retrieval { margin-top: 9px; padding: 7px 10px; }
}