/* ==========================================================================
   BONDEE — SECTIONS 00–06
   ========================================================================== */

/* ==========================================================================
   00 / OPEN
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-block: 7.5rem clamp(2.5rem, 6vh, 4rem);
  overflow: hidden;
}

.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  color: var(--fg-muted);
  margin-bottom: auto;
}
.hero__eyebrow .signal { color: var(--signal); }

.hero__type { position: relative; z-index: 2; }

.hero__h1 { position: relative; }
.hero__h1 .w { display: inline-block; }

.hero__foot {
  margin-top: clamp(2rem, 5vh, 3.5rem);
  display: grid;
  gap: 2rem;
  align-items: end;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .hero__foot { grid-template-columns: 1fr auto; } }

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--fg-muted);
}
.hero__scroll span { display: block; width: 1px; height: 2.5rem; background: var(--rule); position: relative; overflow: hidden; }
.hero__scroll span::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 40%;
  background: var(--signal);
  animation: scrollcue 1.8s var(--e-soft) infinite;
}
@keyframes scrollcue { 0% { translate: 0 -100%; } 100% { translate: 0 250%; } }

/* ==========================================================================
   01 / THESIS
   ========================================================================== */
.thesis__statement { max-width: 22ch; }

.axes {
  margin-top: clamp(3rem, 9vh, 6rem);
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--rule);
}
@media (min-width: 860px) { .axes { grid-template-columns: 1fr 1fr; } }

.axis {
  position: relative;
  padding: clamp(1.75rem, 4vh, 3rem) 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 860px) {
  .axis { padding-inline: 0 clamp(1.5rem, 4vw, 4rem); }
  .axis + .axis {
    padding-inline: clamp(1.5rem, 4vw, 4rem) 0;
    border-left: 1px solid var(--rule);
  }
}

.axis__key { display: flex; align-items: baseline; gap: 0.875rem; margin-bottom: 1.25rem; }
.axis__key b { color: var(--signal); font-weight: 400; font-family: var(--f-label); font-size: var(--t-label); letter-spacing: var(--t-label-ls); }
.axis__name { text-transform: uppercase; letter-spacing: 0.02em; }
.axis__body { margin-top: 1rem; }

/* The measure — a hairline bar that draws on scroll. Not a chart; a gesture. */
.axis__meter { margin-top: 1.75rem; height: 1px; background: var(--rule); position: relative; }
.axis__meter i { position: absolute; inset: 0 auto 0 0; width: 0%; background: var(--signal); display: block; }

.thesis__close { margin-top: clamp(3rem, 9vh, 6rem); }

/* ==========================================================================
   02 / CAPABILITIES — accordion
   ========================================================================== */
.cap { border-top: 1px solid var(--rule); }

.cap__row { border-bottom: 1px solid var(--rule); }

/* The heading wraps the button, not the other way round: a heading may contain
   a button, but a button may not contain a heading. This keeps the four
   capability names in the document outline. */
.cap__h { margin: 0; font: inherit; font-weight: inherit; }

.cap__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: clamp(0.875rem, 2.5vw, 2rem);
  padding-block: clamp(1.125rem, 3vh, 1.875rem);
  text-align: left;
}
.cap__idx { color: var(--signal); font-family: var(--f-label); font-size: var(--t-label); letter-spacing: var(--t-label-ls); }
.cap__name { transition: color var(--d-micro) var(--e-soft); }
.cap__row[data-open="true"] .cap__name,
.cap__trigger:hover .cap__name { color: var(--signal); }

.cap__sign { position: relative; width: 12px; height: 12px; flex: none; align-self: center; }
.cap__sign::before,
.cap__sign::after {
  content: ""; position: absolute; background: currentColor;
  transition: rotate var(--d-ui) var(--e-soft), opacity var(--d-ui) var(--e-soft);
}
.cap__sign::before { inset: 50% 0 auto 0; height: 1px; }
.cap__sign::after  { inset: 0 50% auto auto; width: 1px; height: 100%; }
.cap__row[data-open="true"] .cap__sign::after { opacity: 0; rotate: 90deg; }

.cap__panel { overflow: hidden; height: 0; }
.cap__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(1.75rem, 4vh, 2.75rem);
  grid-template-columns: 1fr;
}
@media (min-width: 860px) { .cap__inner { grid-template-columns: 1.2fr 1fr; } }

.spec { border-top: 1px solid var(--rule); }
.spec__row { display: flex; gap: 1rem; padding-block: 0.625rem; border-bottom: 1px solid var(--rule); }
.spec__row dt { color: var(--fg-muted); flex: none; min-width: 8.5rem; }
.spec__row dd { margin: 0; font-family: var(--f-mono); font-size: 0.8125rem; letter-spacing: -0.01em; }

/* ==========================================================================
   03 / PLATFORMS
   ========================================================================== */
.plat { border-top: 1px solid var(--rule); padding-block: clamp(2.5rem, 7vh, 5rem); }

.plat__head {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  align-items: end;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
@media (min-width: 900px) { .plat__head { grid-template-columns: 1fr auto; } }

.plat__kicker { color: var(--signal); margin-bottom: 0.875rem; }

/* --- AI Readable Checker: scan module ------------------------------------ */
.scan {
  border: 1px solid var(--rule);
  background: var(--panel);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.scan__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.scan__field {
  flex: 1 1 16rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--rule);
  background: var(--bg);
}
.scan__field input {
  flex: 1; min-width: 0;
  background: none; border: 0; outline: none;
  font-family: var(--f-mono); font-size: 0.8125rem; letter-spacing: -0.01em;
}
.scan__field input::placeholder { color: var(--fg-muted); }

.scan__body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 780px) { .scan__body { grid-template-columns: auto 1fr; } }

/* Score dial — conic gradient, driven by --p (0–100). */
.dial {
  --p: 0;
  position: relative;
  width: clamp(9rem, 22vw, 12.5rem);
  aspect-ratio: 1;
  border-radius: 999px;
  background:
    conic-gradient(var(--signal) calc(var(--p) * 1%), var(--rule) 0);
  display: grid;
  place-items: center;
}
.dial::after {
  content: "";
  position: absolute; inset: 7px;
  border-radius: 999px;
  background: var(--panel);
}
.dial__val {
  position: relative; z-index: 1;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(2.5rem, 7vw, 3.75rem);
  line-height: 1; letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}
.dial__cap { position: relative; z-index: 1; color: var(--fg-muted); margin-top: 0.375rem; }

.signals { border-top: 1px solid var(--rule); }
.sig { padding-block: 0.75rem; border-bottom: 1px solid var(--rule); }
.sig__top { display: flex; align-items: baseline; gap: 0.75rem; }
.sig__name { flex: 1; }
.sig__num { font-family: var(--f-mono); font-size: 0.8125rem; font-variant-numeric: tabular-nums; color: var(--signal); }
.sig__track { margin-top: 0.5rem; height: 2px; background: var(--rule); }
.sig__fill { display: block; height: 100%; width: 0%; background: var(--signal); }

.scan__note { margin-top: 1.25rem; color: var(--fg-muted); }

/* --- White-label suite: stack builder ------------------------------------ */
.stack { display: grid; gap: clamp(1.5rem, 4vw, 2.5rem); grid-template-columns: 1fr; }
@media (min-width: 900px) { .stack { grid-template-columns: 1fr 1.1fr; } }

.stack__tray { display: flex; flex-wrap: wrap; gap: 0.625rem; align-content: flex-start; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--f-label);
  font-size: var(--t-micro);
  letter-spacing: var(--t-micro-ls);
  text-transform: uppercase;
  transition: border-color var(--d-micro) var(--e-soft), color var(--d-micro) var(--e-soft);
}
.chip[data-on="true"] { border-color: var(--signal); color: var(--signal); }
.chip__dot { width: 5px; height: 5px; border-radius: 999px; background: currentColor; opacity: 0.35; }
.chip[data-on="true"] .chip__dot { opacity: 1; }

.stack__render { border: 1px solid var(--rule); background: var(--panel); padding: 1.25rem; }
.layer {
  display: flex; align-items: center; gap: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--rule);
  font-family: var(--f-label); font-size: var(--t-micro);
  letter-spacing: var(--t-micro-ls); text-transform: uppercase;
}
.layer + .layer { margin-top: 0.5rem; }
.layer[data-on="false"] { opacity: 0.28; }
.layer__n { color: var(--signal); font-variant-numeric: tabular-nums; }
.layer__meta { margin-left: auto; color: var(--fg-muted); font-family: var(--f-mono); text-transform: none; letter-spacing: -0.01em; }
.stack__base {
  margin-top: 0.5rem; padding: 0.875rem 1rem;
  border: 1px dashed var(--rule); color: var(--fg-muted);
  font-family: var(--f-label); font-size: var(--t-micro);
  letter-spacing: var(--t-micro-ls); text-transform: uppercase;
}

/* ==========================================================================
   04 / PROOF — redaction wall
   ========================================================================== */
.redact-wall {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 640px)  { .redact-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .redact-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.redact {
  position: relative;
  background: var(--bg);
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  padding: 1rem;
  overflow: hidden;
}

.redact__mark {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.125rem, 2.4vw, 1.625rem);
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  transition: opacity var(--d-ui) var(--e-soft);
}

.redact__alt {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.375rem;
  padding: 0.875rem;
  opacity: 0;
  transition: opacity var(--d-ui) var(--e-soft);
  text-align: left;
}
.redact:hover .redact__mark { opacity: 0; }
.redact:hover .redact__alt  { opacity: 1; }
.redact__sector { color: var(--signal); }
.redact__spec { color: var(--fg-muted); font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: -0.01em; text-transform: none; }

.counters {
  margin-top: clamp(2.5rem, 7vh, 4.5rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 860px) { .counters { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.counter { border-top: 1px solid var(--rule); padding-top: 1rem; }
.counter__val {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 0.9; letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 0.06em;
}
.counter__val small { font-size: 0.4em; letter-spacing: -0.02em; color: var(--signal); }
.counter__cap { margin-top: 0.75rem; color: var(--fg-muted); max-width: 22ch; }

.provenance {
  margin-top: clamp(2rem, 5vh, 3rem);
  display: flex; align-items: center; gap: 0.625rem;
  color: var(--fg-muted);
}
.provenance::before {
  content: ""; width: 5px; height: 5px; border-radius: 999px;
  background: var(--signal); flex: none;
}

/* ==========================================================================
   05 / METHOD — drag rail
   ========================================================================== */
.method__rail { margin-top: clamp(2rem, 5vh, 3.5rem); cursor: grab; }
.method__rail:active { cursor: grabbing; }
/* The track is wider than the viewport by design; the shell is what clips it.
   Without this the document itself gains a horizontal scrollbar. */
.method__rail > .shell { overflow: hidden; }

.method__track { display: flex; gap: clamp(1.5rem, 5vw, 4rem); width: max-content; padding-right: var(--margin); }

.step { width: min(78vw, 27rem); flex: none; }
.step__num { color: var(--signal); display: block; line-height: var(--t-numeral-lh); }
.step__name { margin-top: 0.5rem; }
.step__body { margin-top: 1rem; color: var(--fg-muted); max-width: 30ch; }
.step__spec { margin-top: 1.25rem; border-top: 1px solid var(--rule); padding-top: 0.75rem; color: var(--fg-muted); }

.drag-hint { margin-top: 1.5rem; display: flex; align-items: center; gap: 0.75rem; color: var(--fg-muted); }
.drag-hint i { display: block; width: 2.5rem; height: 1px; background: var(--rule); }

/* ==========================================================================
   06 / CONTACT
   ========================================================================== */
.contact__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 960px) { .contact__grid { grid-template-columns: 1.3fr 1fr; } }

.contact__cta { max-width: 18ch; }
.contact__actions { margin-top: clamp(2rem, 5vh, 3rem); display: flex; flex-wrap: wrap; gap: 0.75rem; }

.contact__side { display: grid; gap: 1.75rem; }
.contact__item h3 { color: var(--fg-muted); margin-bottom: 0.625rem; }
.contact__item a, .contact__item p { font-size: 1.0625rem; letter-spacing: -0.02em; }

/* Hanko — 朱色 seal. Stamps on submit, settles with a slight rotation. */
.hanko {
  position: relative;
  width: clamp(5.5rem, 12vw, 7.5rem);
  aspect-ratio: 1;
  border: 2px solid var(--c-vermilion);
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--c-vermilion);
  opacity: 0;
  scale: 1.6;
  rotate: -14deg;
  will-change: transform, opacity;
}
.hanko__glyph {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-align: center;
  text-transform: lowercase;
}
.hanko__ring { position: absolute; inset: 5px; border: 1px solid currentColor; border-radius: 4px; opacity: 0.5; }

/* Locale toggle */
.locale { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--fg-muted); }
.locale button { transition: color var(--d-micro) var(--e-soft); }
.locale button[aria-pressed="true"] { color: var(--signal); }
.locale button:hover { color: var(--fg); }
.locale span { opacity: 0.4; }

/* ==========================================================================
   CONTACT FORM (modal) — sits above every surface, so it carries its own
   ink/washi values rather than inheriting the current section's --bg/--fg.
   ========================================================================== */
.contact-modal {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  padding: 1.5rem;
}
.contact-modal[hidden] { display: none; }

.contact-modal__backdrop {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--c-ink) 72%, transparent);
  opacity: 0;
  transition: opacity var(--d-ui) var(--e-soft);
}
.contact-modal[data-open] .contact-modal__backdrop { opacity: 1; }

.contact-modal__panel {
  position: relative;
  width: min(30rem, 100%);
  max-height: min(88vh, 46rem);
  overflow-y: auto;
  background: var(--c-washi);
  color: var(--c-washi-fg);
  border: 1px solid var(--c-rule-washi);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  opacity: 0;
  translate: 0 0.75rem;
  transition: opacity var(--d-ui) var(--e-soft), translate var(--d-ui) var(--e-soft);
}
.contact-modal[data-open] .contact-modal__panel { opacity: 1; translate: 0 0; }

.contact-modal__close {
  position: absolute; top: 1rem; right: 1rem;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  font-size: 1.5rem; line-height: 1;
  color: var(--c-clay);
  transition: color var(--d-micro) var(--e-soft);
}
.contact-modal__close:hover { color: var(--c-vermilion); }

.contact-modal__title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.contact-form__lead { margin-top: 0.75rem; max-width: 32ch; }

.contact-form { margin-top: clamp(1.5rem, 4vh, 2rem); display: grid; gap: 1.25rem; }
.contact-form__row { display: grid; gap: 0.5rem; }
.contact-form__row label { color: var(--c-clay); }

.contact-form__input {
  width: 100%;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--c-rule-washi);
  padding: 0.5rem 0;
  font-family: var(--f-mono);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: var(--c-washi-fg);
  resize: vertical;
  transition: border-color var(--d-micro) var(--e-soft);
}
.contact-form__input:focus { outline: none; border-color: var(--c-vermilion); }
.contact-form__input::placeholder { color: var(--c-clay); opacity: 0.7; }

/* Off-screen rather than display:none — some bots skip fields the layout
   engine never renders, so this still has to occupy layout. */
.contact-form__hp {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

.contact-form__status { min-height: 1.4em; color: var(--c-vermilion); }
.contact-form__status[data-state="ok"],
.contact-form__status[data-state="pending"] { color: var(--c-clay); }

.contact-form__submit { justify-self: start; }
.contact-form__submit:disabled { opacity: 0.5; pointer-events: none; }

.contact-form__recaptcha-note { max-width: 34ch; }
.contact-form__recaptcha-note a { color: inherit; }

/* reCAPTCHA v3 has no checkbox — only its floating badge, which duplicates
   the disclosure text above per Google's own terms, so it's safe to hide. */
.grecaptcha-badge { visibility: hidden; }

@media (prefers-reduced-motion: reduce) {
  .contact-modal__backdrop, .contact-modal__panel { transition: none; }
}

/* ==========================================================================
   JAPANESE MEASURES
   Restated in em (1em = one full-width character) for every element whose
   measure was set in ch for Latin.
   ========================================================================== */
html[lang="ja"] .thesis__statement { max-width: 13em; }
html[lang="ja"] .contact__cta      { max-width: 10em; }
html[lang="ja"] .step__body        { max-width: 19em; }
html[lang="ja"] .counter__cap      { max-width: 13em; }
html[lang="ja"] .axis__name,
html[lang="ja"] .step__name        { letter-spacing: -0.02em; }
/* Kanji at numeral scale needs no negative tracking — it already reads dense. */
html[lang="ja"] .step__num         { letter-spacing: -0.02em; }