/* ==========================================================================
   EIMEI — Components
   Header/nav, footer, buttons, forms, hairlines, cards, process steps,
   media placeholders. Reused identically across all 7 pages.
   ========================================================================== */

/* ---- Kicker / eyebrow label ---- */
.kicker {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
  color: var(--color-gold-text);
  margin-bottom: var(--space-2);
}
.theme-dark .kicker { color: var(--color-gold); }

/* ---- Display headings ---- */
.display-1, .display-2 {
  font-family: var(--font-display);
  letter-spacing: var(--ls-display);
  font-weight: 400;
}
.display-1 { font-size: var(--fs-hero); line-height: var(--lh-display); }
.display-2 { font-size: var(--fs-h1); line-height: var(--lh-display); }

.heading-2, .heading-3 {
  font-family: var(--font-heading);
  font-weight: 500;
}
.heading-2 { font-size: var(--fs-h2); }
.heading-3 { font-size: var(--fs-h3); }

.lede {
  font-size: var(--fs-body-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
}
.theme-dark .lede { color: var(--color-text-inverse-muted); }

/* ---- Gold hairline (coded SVG, not an image) ---- */
.hr-gold {
  display: block;
  width: 100%;
  height: 8px;
  overflow: visible;
  color: var(--color-gold);
  margin-block: var(--space-6);
}
.hr-gold--tight { margin-block: var(--space-3); }

/* ---- Buttons / CTAs ---- */
.cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.cta-divider { color: var(--color-text-muted); }
.theme-dark .cta-divider { color: var(--color-text-inverse-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.95em 1.9em;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
  transition: border-color var(--duration-base) var(--ease-standard),
              background-color var(--duration-base) var(--ease-standard),
              color var(--duration-base) var(--ease-standard),
              transform var(--duration-fast) var(--ease-out);
}

.btn--primary {
  background: var(--color-sumi);
  color: var(--color-kinari);
  border-color: var(--color-sumi);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}
.theme-dark .btn--primary {
  background: var(--color-kinari);
  color: var(--color-sumi);
  border-color: var(--color-kinari);
}

.btn--secondary {
  padding-inline: 0;
  border-color: transparent;
  background: none;
  position: relative;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text);
}
.theme-dark .btn--secondary { color: var(--color-text-inverse); }
.btn--secondary::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: -3px;
  height: 1px;
  background: var(--color-gold);
  transition: right var(--duration-base) var(--ease-standard);
}
.btn--secondary:hover::after,
.btn--secondary:focus-visible::after { right: 0; }

/* ---- Site header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-kinari);
  border-bottom: 1px solid var(--color-border-gold);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.site-header__mark { width: 32px; height: 32px; }
.site-header__wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
}

.site-nav__list {
  display: flex;
  gap: var(--space-4);
}
.site-nav a {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 500;
  padding-block: 0.3rem;
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--color-gold);
  transition: right var(--duration-base) var(--ease-standard);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after { right: 0; }
.site-nav a[aria-current="page"] { color: var(--color-gold-text); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-header__actions .btn { padding: 0.7em 1.4em; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
}
.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-sumi);
  transition: transform var(--duration-base) var(--ease-standard),
              opacity var(--duration-fast) var(--ease-standard);
}
/* nth-child, not nth-of-type: the .sr-only "Menu" label is the true
   first child of the button, so the three bars are children 2, 3, 4. */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(4) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  top: 65px;
  z-index: var(--z-overlay);
  background: var(--color-kinari);
  padding: var(--space-6) var(--section-px);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}
.mobile-nav[data-open="true"] { opacity: 1; transform: translateY(0); }
.mobile-nav[hidden] { display: none; }
.mobile-nav__list { display: flex; flex-direction: column; gap: var(--space-4); }
.mobile-nav__list a {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
}
.mobile-nav__cta { margin-top: var(--space-6); }

/* ---- Footer ---- */
.site-footer {
  padding-block: var(--space-7) var(--space-4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-7);
}
.footer-brand { display: flex; align-items: center; gap: var(--space-1); margin-bottom: var(--space-3); }
.footer-brand .site-header__mark { width: 28px; height: 28px; }
.footer-tagline { font-family: var(--font-heading); font-style: italic; font-size: var(--fs-body-lg); }
.footer-contact { margin-top: var(--space-4); font-size: var(--fs-small); }
.footer-contact li { margin-bottom: 0.5em; }
.footer-contact a:hover { color: var(--color-gold); }

.footer-form__intro { margin-block: var(--space-2) var(--space-3); font-size: var(--fs-small); }
.footer-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.footer-credit {
  margin-top: var(--space-7);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-inverse);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--fs-micro);
  color: var(--color-text-inverse-muted);
}

/* ---- Forms (shared: footer newsletter + contact page) ---- */
.form-field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--space-3); }
.form-label { font-size: var(--fs-small); }
.form-input, .form-textarea, .form-select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding-block: 0.6em;
  font-size: var(--fs-body);
  color: inherit;
  width: 100%;
  transition: border-color var(--duration-base) var(--ease-standard);
}
.theme-dark .form-input,
.theme-dark .form-textarea,
.theme-dark .form-select { border-color: var(--color-border-inverse); }
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--color-gold); }
.form-textarea { resize: vertical; min-height: 7em; }
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%23C4A265' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.2em center;
  background-size: 12px 8px;
  padding-right: 1.5em;
}

.form-checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: var(--space-3);
}
.form-checkbox-field input[type="checkbox"] {
  width: 1.15em;
  height: 1.15em;
  margin-top: 0.15em;
  flex-shrink: 0;
  accent-color: var(--color-indigo);
}
.form-checkbox-field label { font-size: var(--fs-small); }
.form-note { font-size: var(--fs-micro); color: var(--color-text-muted); margin-top: var(--space-2); }
.theme-dark .form-note { color: var(--color-text-inverse-muted); }

/* Honeypot field for spam protection (Web3Forms' "botcheck" convention)
   — hidden from everyone, including screen readers; real users never
   see or fill it, so any submission with it filled is a bot. */
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-wrap { position: relative; }

.form-success,
.form-error {
  display: none;
  padding: var(--space-3);
  border: 1px solid var(--color-gold);
}
.form-success[data-visible="true"],
.form-error[data-visible="true"] { display: block; }
.form-error { border-color: var(--color-vermillion); }

.btn[disabled] { opacity: 0.6; cursor: default; }

/* ---- Hero ---- */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
}

/* ---- Standalone statement paragraph (no heading) ---- */
.statement {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 400;
  line-height: var(--lh-heading);
}

/* ---- Small decorative accent mark (e.g. before a feature callout) ---- */
.accent-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-indigo);
  margin-bottom: var(--space-3);
}

/* ---- Media + caption pairing ---- */
.media-figure figcaption { margin-top: var(--space-2); }

/* ---- Kanji display mark (Story: the name reveal) ----
   Shippori Mincho is subset to Latin only, so these two characters fall
   back to the browser's default serif automatically via unicode-range —
   expected, not a bug: shipping full CJK glyph coverage for two
   characters isn't worth the font-weight cost. */
.kanji-mark {
  font-family: var(--font-display);
  font-size: clamp(4rem, 3rem + 8vw, 8rem);
  line-height: 1;
  color: var(--color-gold);
}
.romanization {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--fs-body-lg);
  color: var(--color-text-inverse-muted);
  margin-top: var(--space-2);
}

/* ---- Value card name (Story: five values) ---- */
.value-card__name {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-gold-text);
  margin-bottom: var(--space-1);
}
.theme-dark .value-card__name { color: var(--color-gold); }

/* ---- Cards ---- */
.card {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  height: 100%;
}
.theme-dark .card { border-color: var(--color-border-inverse); }
.card__title { font-family: var(--font-heading); font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.card .media-placeholder { margin-bottom: var(--space-3); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-4);
}

/* Five-item grids (Story's values): explicit 3 columns rather than
   auto-fit, so 5 items land as a clean 3+2 instead of risking a lone
   orphan on its own row at in-between widths. */
.card-grid--values {
  grid-template-columns: repeat(3, 1fr);
}

/* ---- Process steps (shared shape: Home snapshot + Process page) ---- */
.process-steps { display: grid; gap: var(--space-5); }
.process-step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-3); }
.process-step__number {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--color-gold-text);
  line-height: 1;
}
.theme-dark .process-step__number { color: var(--color-gold); }
.process-step__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  margin-bottom: var(--space-1);
}
.process-step__receipt {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.theme-dark .process-step__receipt { color: var(--color-text-inverse-muted); }
.process-step__receipt strong { font-weight: 600; color: inherit; }

/* ---- Media placeholder ----
   Neutral grey block at the real aspect ratio; swap for a real <img>/
   <picture> later without touching layout. Label stays visible so it
   reads as construction, not a broken image. */
.media-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: var(--ratio, 4 / 3);
  background:
    repeating-linear-gradient(135deg,
      #DEDBD3 0, #DEDBD3 12px,
      #E8E4DB 12px, #E8E4DB 24px);
  border: 1px solid var(--color-border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.media-placeholder__label {
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  color: var(--color-text-muted);
  background: rgba(245, 240, 232, 0.88);
  padding: 0.6em 1em;
  max-width: 85%;
}

/* ---- Hidden slots (testimonial, case studies) ----
   Structurally built, kept out of the render + accessibility tree via
   the native `hidden` attribute until real content is approved. */
[hidden] { display: none !important; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .site-nav, .site-header__actions .btn--primary { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-form__row { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; }
  .card-grid--values { grid-template-columns: 1fr; }
}