/* Site-specific styling for 理容室・床屋Tokyo Barber VASH 中野店.
   Built on top of tokens.css + base.css. Reinterprets the barbershop
   taxonomy's vintage-Americana / muted-taupe character (formality 3,
   warmth 3, geometry 1) for a Japanese-language single-page site. */

/* ---------- Motion-reduction guard ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Language toggle (ja/en) ----------
   Every translatable string is duplicated in the markup as a pair of
   [data-lang="ja"]/[data-lang="en"] wrapper spans; only the one matching
   <html data-active-lang> is shown. Applied only to freshly-added <span>
   wrappers (never to existing structural elements that carry their own
   display value), so `revert` always resolves to the safe UA default
   (inline) instead of clobbering a class-driven flex/grid layout. */
[data-lang] { display: none; }
html[data-active-lang="ja"] [data-lang="ja"] { display: revert; }
html[data-active-lang="en"] [data-lang="en"] { display: revert; }

.lang-toggle {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #f4efe9;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: rgba(252, 249, 245, 0.12);
  border-color: var(--color-accent);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-accent-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  text-decoration: none;
  color: #f4efe9;
}
.brand-jp {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}
.brand-en {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.site-header .nav-links a {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  text-decoration: none;
  color: #e9e4dc;
  position: relative;
  padding-block: 0.25rem;
  transition: color var(--dur-fast) var(--ease);
}
.site-header .nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transition: right var(--dur-mid) var(--ease);
}
.site-header .nav-links a:hover,
.site-header .nav-links a:focus-visible {
  color: #fff;
}
.site-header .nav-links a:hover::after,
.site-header .nav-links a:focus-visible::after {
  right: 0;
}
.site-header .nav-links a.btn {
  color: var(--color-accent-2);
}
.site-header .nav-links a.btn::after { display: none; }
.nav-toggle {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #f4efe9;
  font-size: 1.1rem;
  padding: 0.35rem 0.6rem;
}
@media (max-width: 768px) {
  .site-header .nav-links.open {
    background: var(--color-accent-2);
    padding: var(--space-2) var(--space-3) var(--space-3);
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  box-shadow: var(--shadow);
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: #8a7563;
}
.btn--ghost {
  background: transparent;
  color: var(--color-bg);
  border: 1px solid rgba(252, 249, 245, 0.6);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: rgba(252, 249, 245, 0.12);
}
.btn--dark {
  background: var(--color-accent-2);
  color: #f4efe9;
}
.btn--dark:hover, .btn--dark:focus-visible {
  background: #34343b;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-stagger > * {
  transition-delay: calc(var(--i, 0) * 90ms);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--space-5);
}
.hero-slides {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity var(--dur-slow) ease-in-out;
}
.hero-slide.is-active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(34, 34, 39, 0.55) 0%, rgba(34, 34, 39, 0.72) 100%);
}
.hero-content {
  position: relative;
  color: #fcf9f5;
  max-width: 640px;
}
.badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--color-bg);
  border: 1px solid rgba(252, 249, 245, 0.55);
  padding: 0.35rem 0.8rem;
  margin-bottom: var(--space-2);
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.2vw, var(--font-size-h1));
}
.hero-sub {
  font-size: 1.05rem;
  color: #e9e4dc;
  max-width: 34em;
}
.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}
.hero-dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(252, 249, 245, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--dur-fast) var(--ease);
}
.hero-dot.is-active { background: #fcf9f5; }

/* ---------- Section framing ---------- */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-head {
  max-width: 640px;
  margin-bottom: var(--space-4);
}
.section-alt { background: var(--color-surface); }

/* ---------- About / intro ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}
.about-copy p { max-width: 46em; }
.locale-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  border: var(--border);
  padding: 0.5rem 0.9rem;
  color: var(--color-muted);
  margin-top: var(--space-2);
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Services / menu ---------- */
.service-card {
  transition: transform var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.service-card .num {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.service-note {
  margin-top: var(--space-3);
  font-size: 0.92rem;
  color: var(--color-muted);
}

/* ---------- Appointment / access split ---------- */
.appt {
  background: var(--color-accent-2);
  color: #f4efe9;
}
.appt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.appt-photo {
  background-size: cover;
  background-position: center;
  min-height: 420px;
}
.appt-info {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
}
.appt-info h2 { color: #fff; }
.appt-info .eyebrow { color: var(--color-accent); }
.appt-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.95rem;
}
.appt-list li {
  padding-left: 1.4rem;
  position: relative;
  color: #d8d2c8;
}
.appt-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}
@media (max-width: 900px) {
  .appt-grid { grid-template-columns: 1fr; }
  .appt-photo { min-height: 260px; }
}

/* ---------- Appointment form ---------- */
.appt-form {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.appt-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.appt-form .field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.appt-form label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: #d8d2c8;
}
.appt-form input,
.appt-form select {
  font: inherit;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  padding: 0.6rem 0.7rem;
  background: rgba(252, 249, 245, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  color: #fcf9f5;
}
.appt-form input::placeholder { color: #8f8a80; }
.appt-form input:focus-visible,
.appt-form select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.appt-form select option { color: var(--color-ink); }
.appt-form button.btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}
.form-success {
  display: none;
  margin-top: var(--space-2);
  padding: 0.75rem 1rem;
  background: rgba(158, 138, 120, 0.16);
  border: 1px solid var(--color-accent);
  color: #fcf9f5;
  font-size: 0.92rem;
}
.form-success.is-visible { display: block; }
@media (max-width: 640px) {
  .appt-form .form-row { grid-template-columns: 1fr; }
}

/* ---------- Philosophy banner ---------- */
.banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding-block: var(--space-5);
  color: #fff;
}
.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(34, 34, 39, 0.62);
}
.banner .container { position: relative; text-align: center; }
.banner p.statement {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2rem);
  max-width: 20em;
  margin-inline: auto;
  line-height: 1.6;
}
/* Manual break keeps the JA statement from leaving a single orphaned
   character on its own line at desktop widths; on mobile the shorter
   line length already wraps cleanly, so the break is disabled there. */
.banner-break { display: block; }
@media (max-width: 640px) {
  .banner-break { display: none; }
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 260px));
  justify-content: center;
  gap: var(--space-3);
}
.team-card { text-align: center; }
.team-photo {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
  border: var(--border);
  filter: grayscale(15%);
  transition: filter var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}
.team-card:hover .team-photo {
  filter: grayscale(0%);
  transform: scale(1.02);
}
.team-role {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: var(--space-1);
  letter-spacing: 0.06em;
}

/* ---------- Gallery ---------- */
.gallery-grid img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
  transition: transform var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
}
.gallery-grid a.lightbox {
  display: block;
  overflow: hidden;
  border: var(--border);
}
.gallery-grid a.lightbox:hover img {
  transform: scale(1.06);
}

/* ---------- Column / blog ---------- */
.post-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
  margin-bottom: var(--space-2);
}
.post-card h3 { font-size: 1.15rem; }
.post-card p { font-size: 0.92rem; color: var(--color-muted); }

/* ---------- Access / contact ---------- */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.access-info dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.2rem;
  margin: var(--space-2) 0 var(--space-3);
}
.access-info dt {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  padding-top: 0.2rem;
}
.access-info dd {
  margin: 0;
  font-size: 1rem;
}
.access-info dd a { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 900px) {
  .access-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-accent-2);
  color: #d8d2c8;
}
.site-footer a { color: #f4efe9; text-decoration: none; }
.site-footer .foot-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}
.site-footer .foot-brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.1rem;
}
.site-footer small { color: #8f8a80; }
