/* =============================================================
   雅庭 MIYABI-TEI — styles.css
   Japanese Fine Dining · Sumi Ink · Wabi-sabi · Shun
   Tokens → Reset → Utilities → Buttons → Headers → Nav →
   Hero → Menu → Testimonials → Form → Footer → Animations → Responsive
   ============================================================= */

/* =============================================================
   1. DESIGN TOKENS
   ============================================================= */
:root {
  /* Sumi Palette */
  --color-sumi:       #0D0D0D;   /* sumi ink — primary background */
  --color-kuro:       #161616;   /* deep charcoal — section alternate */
  --color-nuri:       #1E1916;   /* lacquer dark — card surfaces */
  --color-nuri-light: #272018;   /* lighter card hover */
  --color-aka:        #8B1A2C;   /* Japanese vermillion — hero accent */
  --color-kin:        #C8965C;   /* amber gold — accents */
  --color-kin-light:  #DBAA74;   /* lighter gold */
  --color-kin-dark:   #A87844;   /* darker gold */
  --color-washi:      #F2E8D9;   /* washi paper — primary text */
  --color-washi-dim:  rgba(242, 232, 217, 0.65);
  --color-washi-faint:rgba(242, 232, 217, 0.38);
  --color-sakura:     #D4A8B0;   /* cherry blossom — rare accent */
  --color-error:      #C0505A;

  /* Typography */
  --font-jp:      'Shippori Mincho B1', Georgia, 'Times New Roman', serif;
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'EB Garamond', Georgia, 'Times New Roman', serif;

  /* Type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  3.5rem;
  --text-hero: clamp(4rem, 12vw, 9rem);

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Layout */
  --container-max:    1200px;
  --container-narrow: 760px;

  /* Navigation */
  --nav-height: 76px;

  /* Shadows */
  --shadow-card:       0 2px 24px rgba(0, 0, 0, 0.55);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.65), 0 0 20px rgba(200, 150, 90, 0.12);
  --shadow-gold-glow:  0 0 28px rgba(200, 150, 90, 0.22);
  --shadow-nav:        0 1px 32px rgba(0, 0, 0, 0.6);

  /* Transitions */
  --transition-fast: 180ms ease;
  --transition-base: 350ms ease;
  --transition-slow: 560ms ease;
}

/* =============================================================
   2. RESET & BASE
   ============================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  color: var(--color-washi);
  background-color: var(--color-sumi);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

:focus-visible {
  outline: 1px solid var(--color-kin);
  outline-offset: 4px;
}

/* =============================================================
   3. SKIP LINK
   ============================================================= */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-kin);
  color: var(--color-sumi);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-sm); }

/* =============================================================
   4. LAYOUT UTILITIES
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-3xl);
}

/* =============================================================
   5. BUTTONS
   ============================================================= */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.9rem 3rem;
  border: 1px solid rgba(200, 150, 90, 0.6);
  color: var(--color-kin);
  background: transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  cursor: pointer;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-kin);
  color: var(--color-sumi);
  border-color: var(--color-kin);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-glow);
}

.btn--full {
  width: 100%;
  text-align: center;
  display: block;
}

/* =============================================================
   6. SECTION HEADERS
   ============================================================= */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--color-kin);
  opacity: 0.75;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-jp);
  font-size: var(--text-5xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.14em;
  color: var(--color-washi);
  margin-bottom: 0.4rem;
}

.section-title-sub {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--color-kin);
  opacity: 0.6;
  margin-bottom: var(--space-md);
}

/* ——❀—— divider */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  color: var(--color-sakura);
  font-size: var(--text-xs);
  opacity: 0.7;
}

.section-divider::before,
.section-divider::after {
  content: '';
  width: 64px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(200, 150, 90, 0.5));
}

.section-divider::after {
  background: linear-gradient(to left, transparent, rgba(200, 150, 90, 0.5));
}

.section-intro {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-washi-dim);
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.95;
}

/* =============================================================
   7. NAVIGATION
   ============================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 150, 90, 0.1);
  box-shadow: var(--shadow-nav);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.nav__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
  gap: 3px;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover { opacity: 0.7; }

.nav__logo-jp {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-kin);
  letter-spacing: 0.15em;
}

.nav__logo-en {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: rgba(200, 150, 90, 0.5);
}

.nav__links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.nav__links a {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(242, 232, 217, 0.65);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}

/* Underline grows from centre */
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background-color: var(--color-kin);
  transition: width var(--transition-base);
}

.nav__links a:hover,
.nav__links a:focus-visible { color: var(--color-kin); }

.nav__links a:hover::after,
.nav__links a:focus-visible::after { width: 100%; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 8px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-washi);
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
  transform-origin: center;
}

.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   8. HERO
   ============================================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* Japanese restaurant interior with warm lantern light */
  background-image: url('https://images.unsplash.com/photo-1514190051997-0f6f39ca5cde?w=1920&q=85');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--color-washi);
  overflow: hidden;
}

/* Deep sumi gradient overlay — vermillion blush at centre */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(13, 13, 13, 0.68)   0%,
      rgba(80, 15, 25, 0.28)   45%,
      rgba(13, 13, 13, 0.9)    100%
    );
  z-index: 1;
}

/* Large faint Japanese character watermark */
.hero__char {
  position: absolute;
  font-family: var(--font-jp);
  font-size: clamp(260px, 40vw, 600px);
  font-weight: 400;
  color: rgba(200, 150, 90, 0.038);
  line-height: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
  z-index: 2;
}

/* Falling cherry blossom petals */
.hero__petals {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.petal {
  position: absolute;
  top: -20px;
  width: 7px;
  height: 7px;
  border-radius: 50% 0 50% 0;
  background: radial-gradient(ellipse at 30% 30%, #F0D0DA, #D4A8B0);
  opacity: 0;
  animation: petalFall linear infinite;
}

.petal-1 { left: 10%; animation-duration: 8s;  animation-delay: 0s;   width: 6px;  height: 6px; }
.petal-2 { left: 25%; animation-duration: 11s; animation-delay: 2.5s; width: 5px;  height: 5px; }
.petal-3 { left: 50%; animation-duration: 7s;  animation-delay: 5s;   width: 8px;  height: 8px; }
.petal-4 { left: 68%; animation-duration: 10s; animation-delay: 1s;   width: 5px;  height: 5px; }
.petal-5 { left: 82%; animation-duration: 9s;  animation-delay: 3.5s; width: 7px;  height: 7px; }
.petal-6 { left: 40%; animation-duration: 12s; animation-delay: 7s;   width: 6px;  height: 6px; }

@keyframes petalFall {
  0%   { opacity: 0;   top: -20px;   transform: rotate(0deg)   translateX(0px); }
  8%   { opacity: 0.7; }
  88%  { opacity: 0.45; }
  100% { opacity: 0;   top: 108vh;   transform: rotate(540deg) translateX(60px); }
}

.hero__content {
  position: relative;
  z-index: 4;
  max-width: 860px;
  padding-inline: var(--space-lg);
}

.hero__eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: var(--color-kin);
  opacity: 0.85;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(18px);
  animation: heroFadeUp 0.9s ease forwards 0.3s;
}

.hero__title-wrap { margin-bottom: var(--space-md); }

.hero__title-jp {
  display: block;
  font-family: var(--font-jp);
  font-size: var(--text-hero);
  font-weight: 400;
  letter-spacing: 0.25em;
  line-height: 1.0;
  color: var(--color-washi);
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeUp 1.1s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.55s;
}

.hero__title-en {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.6vw, 1.7rem);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.35em;
  color: var(--color-kin);
  margin-top: 0.6rem;
  opacity: 0;
  transform: translateY(18px);
  animation: heroFadeUp 0.9s ease forwards 0.8s;
}

.hero__tagline {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.6rem, 1.3vw, 0.82rem);
  font-weight: 300;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(242, 232, 217, 0.46);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(14px);
  animation: heroFadeUp 0.8s ease forwards 1s;
}

/* ——❀—— ornament */
.hero__ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  color: var(--color-sakura);
  font-size: var(--text-xs);
  opacity: 0;
  animation: heroFadeUp 0.8s ease forwards 1.15s;
}

.hero__ornament-blossom { opacity: 0.65; }

.hero__ornament-line {
  display: block;
  width: 64px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(200, 150, 90, 0.5), transparent);
}

.hero .btn {
  opacity: 0;
  transform: translateY(14px);
  animation: heroFadeUp 0.9s ease forwards 1.35s;
}

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

/* =============================================================
   9. MENU
   ============================================================= */
.menu {
  background-color: var(--color-kuro);
  /* Subtle diagonal weave — evokes tatami or washi */
  background-image:
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 19px,
      rgba(200, 150, 90, 0.022) 19px,
      rgba(200, 150, 90, 0.022) 20px
    );
}

.menu-category {
  margin-bottom: var(--space-3xl);
}
.menu-category:last-child { margin-bottom: 0; }

.menu-category__title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

/* Thin flanking rules */
.menu-category__title::before,
.menu-category__title::after {
  content: '';
  position: absolute;
  top: 42%;
  height: 1px;
  width: 12%;
}

.menu-category__title::before {
  right: calc(50% + 96px);
  background: linear-gradient(to left, rgba(200, 150, 90, 0.45), transparent);
}

.menu-category__title::after {
  left: calc(50% + 96px);
  background: linear-gradient(to right, rgba(200, 150, 90, 0.45), transparent);
}

.menu-category__jp {
  display: block;
  font-family: var(--font-jp);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--color-kin);
  letter-spacing: 0.18em;
  line-height: 1.2;
}

.menu-category__en {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.3em;
  color: rgba(242, 232, 217, 0.38);
  margin-top: 0.25rem;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* Menu Card */
.menu-card {
  background-color: var(--color-nuri);
  border: 1px solid rgba(200, 150, 90, 0.12);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
  opacity: 0;
  transform: translateY(28px);
}

.menu-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.menu-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(200, 150, 90, 0.35);
}

.menu-card.is-visible:hover { transform: translateY(-5px); }

.menu-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-sumi);
  position: relative;
}

/* Gradient vignette — image fades into card body */
.menu-card__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(13, 13, 13, 0.5) 100%);
  pointer-events: none;
}

.menu-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  filter: brightness(0.78) saturate(0.95);
}

.menu-card:hover .menu-card__img-wrap img {
  transform: scale(1.06);
  filter: brightness(0.9) saturate(1.1);
}

.menu-card__body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.menu-card__jp {
  font-family: var(--font-jp);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-kin);
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
  opacity: 0.75;
}

.menu-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-washi);
  margin-bottom: var(--space-xs);
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.menu-card__count {
  font-size: var(--text-sm);
  color: rgba(242, 232, 217, 0.38);
  font-weight: 300;
  font-style: italic;
}

.menu-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: rgba(242, 232, 217, 0.52);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.menu-card__price {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-kin);
  letter-spacing: 0.05em;
  border-top: 1px solid rgba(200, 150, 90, 0.14);
  padding-top: var(--space-sm);
}

/* =============================================================
   10. TESTIMONIALS & CAROUSEL
   ============================================================= */
.testimonials {
  background-color: var(--color-sumi);
  background-image:
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 19px,
      rgba(200, 150, 90, 0.018) 19px,
      rgba(200, 150, 90, 0.018) 20px
    );
  /* Top and bottom gold rules */
  border-top:    1px solid rgba(200, 150, 90, 0.1);
  border-bottom: 1px solid rgba(200, 150, 90, 0.1);
}

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.testimonial-card {
  min-width: 100%;
  padding: var(--space-lg) var(--space-2xl) var(--space-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.testimonial-card__stars {
  color: var(--color-kin);
  font-size: var(--text-xl);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

.testimonial-card__quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-washi);
  max-width: 820px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.testimonial-card__footer { margin-top: auto; }

.testimonial-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-kin);
  opacity: 0.75;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-bottom: var(--space-sm);
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(200, 150, 90, 0.4);
  color: var(--color-kin);
  font-size: var(--text-lg);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
  flex-shrink: 0;
}

.carousel__btn:hover,
.carousel__btn:focus-visible {
  background-color: var(--color-kin);
  color: var(--color-sumi);
  border-color: var(--color-kin);
}

.carousel__dots {
  display: flex;
  gap: 10px;
  align-items: center;
}

.carousel__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: rgba(200, 150, 90, 0.25);
  border: none;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    transform var(--transition-fast);
}

.carousel__dot.is-active {
  background-color: var(--color-kin);
  transform: scale(1.8);
}

.carousel__dot:hover {
  background-color: rgba(200, 150, 90, 0.55);
}

/* =============================================================
   11. RESERVATION FORM
   ============================================================= */
.reservations {
  background-color: var(--color-kuro);
  background-image:
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 19px,
      rgba(200, 150, 90, 0.015) 19px,
      rgba(200, 150, 90, 0.015) 20px
    );
}

.reservation-form {
  background-color: rgba(13, 13, 13, 0.55);
  padding: var(--space-2xl);
  border: 1px solid rgba(200, 150, 90, 0.14);
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group--full { margin-bottom: var(--space-md); }

label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(242, 232, 217, 0.6);
}

.required-star {
  color: var(--color-kin);
  margin-left: 2px;
}

input,
select,
textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-washi);
  background-color: rgba(30, 25, 22, 0.9);
  border: 1px solid rgba(200, 150, 90, 0.16);
  padding: 0.82rem 1rem;
  width: 100%;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  color-scheme: dark;
}

input::placeholder,
textarea::placeholder {
  color: rgba(242, 232, 217, 0.2);
  font-style: italic;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(200, 150, 90, 0.55);
  background-color: rgba(30, 25, 22, 1);
  box-shadow: 0 0 0 3px rgba(200, 150, 90, 0.07);
}

input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192, 80, 90, 0.1);
}

.form-error {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-error);
  font-weight: 300;
  min-height: 1.2em;
  letter-spacing: 0.04em;
}

.form-hint {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(242, 232, 217, 0.32);
  font-style: italic;
}

textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.65;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C8965C' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
  cursor: pointer;
}

select option {
  background-color: var(--color-nuri);
  color: var(--color-washi);
}

.reservation-form .btn--full {
  margin-top: var(--space-sm);
  padding-block: 1.1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
}

/* Success panel */
.form-success {
  background-color: rgba(13, 13, 13, 0.55);
  padding: var(--space-2xl);
  border: 1px solid rgba(200, 150, 90, 0.14);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.form-success[hidden] { display: none; }

.form-success__icon {
  font-size: 2.5rem;
  color: var(--color-sakura);
  margin-bottom: var(--space-md);
  display: block;
  line-height: 1;
  opacity: 0.7;
}

.form-success__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  font-style: italic;
  color: var(--color-washi);
  margin-bottom: var(--space-md);
  letter-spacing: 0.06em;
}

.form-success__message {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-washi-dim);
  margin-bottom: var(--space-sm);
  line-height: 1.75;
}

.form-success__sub {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 300;
  color: rgba(242, 232, 217, 0.38);
  line-height: 1.85;
  letter-spacing: 0.04em;
}

/* =============================================================
   12. CONTACT US
   ============================================================= */
.contact {
  background-color: var(--color-kuro);
  background-image:
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 19px,
      rgba(200, 150, 90, 0.022) 19px,
      rgba(200, 150, 90, 0.022) 20px
    );
  border-top: 1px solid rgba(200, 150, 90, 0.08);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-form {
  background-color: rgba(13, 13, 13, 0.55);
  padding: var(--space-2xl);
  border: 1px solid rgba(200, 150, 90, 0.14);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form .form-group { margin-bottom: 0; }

.contact-form .btn--full {
  margin-top: var(--space-xs);
  padding-block: 1.1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
}

.contact-map {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(200, 150, 90, 0.14);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-lg);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  filter: grayscale(0.2) brightness(0.88) saturate(0.85);
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg) var(--space-xl);
  padding: var(--space-lg);
  border: 1px solid rgba(200, 150, 90, 0.1);
  background-color: rgba(13, 13, 13, 0.4);
}

.contact-detail-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-kin);
  opacity: 0.7;
  margin-bottom: 0.45rem;
}

.contact-detail-item address,
.contact-detail-item p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: rgba(242, 232, 217, 0.58);
  line-height: 1.9;
}

.contact-detail-item a {
  color: rgba(242, 232, 217, 0.58);
  transition: color var(--transition-fast);
}

.contact-detail-item a:hover { color: var(--color-kin); }

/* =============================================================
   13. FOOTER
   ============================================================= */
.site-footer {
  background-color: #080808;
  color: rgba(242, 232, 217, 0.5);
  padding-block: var(--space-2xl);
  border-top: 1px solid rgba(200, 150, 90, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(200, 150, 90, 0.08);
  margin-bottom: var(--space-lg);
}

.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.footer-logo-jp {
  font-family: var(--font-jp);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-kin);
  letter-spacing: 0.14em;
}

.footer-logo-en {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.2em;
  color: rgba(200, 150, 90, 0.5);
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(242, 232, 217, 0.24);
  margin-bottom: var(--space-md);
}

.footer-brand-desc {
  font-family: var(--font-body);
  font-style: italic;
  font-size: var(--text-sm);
  line-height: 1.95;
  color: rgba(242, 232, 217, 0.36);
}

.footer-heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-kin);
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

address {
  font-style: normal;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 2.2;
}

address a { transition: color var(--transition-fast); }
address a:hover { color: var(--color-kin); }

.hours-list {
  font-size: var(--text-sm);
  font-family: var(--font-body);
}

.hours-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  margin-bottom: var(--space-xs);
  line-height: 1.7;
}

.hours-row dt {
  font-weight: 500;
  color: rgba(242, 232, 217, 0.7);
  white-space: nowrap;
}

.hours-row dd { color: rgba(242, 232, 217, 0.38); }

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.social-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(242, 232, 217, 0.42);
  transition: color var(--transition-fast);
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
}

.social-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-kin);
  transition: width var(--transition-base);
}

.social-links a:hover { color: var(--color-kin); }
.social-links a:hover::after { width: 100%; }

.footer-bottom { text-align: center; }

.footer-ornament {
  font-family: var(--font-jp);
  font-size: var(--text-sm);
  color: rgba(200, 150, 90, 0.25);
  letter-spacing: 0.6em;
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(242, 232, 217, 0.16);
}

/* =============================================================
   13. SCROLL-IN ANIMATIONS
   ============================================================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.85s ease,
    transform 0.85s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================
   14. RESPONSIVE — TABLET (≤1024px)
   ============================================================= */
@media (max-width: 1024px) {
  :root {
    --space-3xl: 6rem;
    --space-2xl: 4.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer-col--brand { grid-column: 1 / -1; }

  .menu-category__title::before,
  .menu-category__title::after { display: none; }

  .contact-layout { grid-template-columns: 1fr; }

  .contact-details { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   15. RESPONSIVE — MOBILE (≤768px)
   ============================================================= */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --space-2xl:  3.5rem;
    --space-3xl:  4.5rem;
    --space-xl:   3rem;
  }

  .nav__hamburger { display: flex; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding-block: var(--space-xs);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base);
    z-index: 999;
    border-bottom: 1px solid rgba(200, 150, 90, 0.08);
  }

  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__links li { width: 100%; }

  .nav__links a {
    display: block;
    padding: 1.1rem var(--space-lg);
    font-size: var(--text-sm);
    border-bottom: 1px solid rgba(200, 150, 90, 0.05);
    letter-spacing: 0.26em;
  }

  .nav__links a::after { display: none; }

  .hero { background-attachment: scroll; }

  .hero__char { font-size: clamp(150px, 68vw, 280px); }

  .section-title { font-size: var(--text-4xl); }

  .menu-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .testimonial-card {
    padding: var(--space-md) var(--space-sm) var(--space-lg);
  }

  .testimonial-card__quote { font-size: 1.15rem; }

  .form-row { grid-template-columns: 1fr; }

  .reservation-form { padding: var(--space-lg); }

  .contact-form { padding: var(--space-lg); }

  .contact-map { aspect-ratio: 3 / 2; }

  .contact-details { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-col--brand { grid-column: auto; }
}

/* =============================================================
   16. RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================================= */
@media (max-width: 480px) {
  :root { --space-lg: 1.5rem; }

  .section-title { font-size: var(--text-3xl); }

  .reservation-form { padding: var(--space-md); }

  .form-success { padding: var(--space-lg); }

  .carousel__btn {
    width: 38px;
    height: 38px;
    font-size: var(--text-base);
  }

  .hero__ornament-line { width: 32px; }
}

/* ── Facebook floating button ─────────────────────────── */
.fb-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: #1877f2;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
}

.fb-float svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
}

.fb-float:hover,
.fb-float:focus-visible {
  background: #0e5fc0;
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
}

.fb-float:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .fb-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 2.75rem;
    height: 2.75rem;
  }

  .fb-float svg {
    width: 1.25rem;
    height: 1.25rem;
  }
}

/* =============================================================
   CHATBOT FLOATING PANEL
   ============================================================= */
.chat-float {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.chat-float__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: var(--color-kin, #C8965C);
  color: var(--color-sumi, #0D0D0D);
  box-shadow: 0 4px 20px rgba(200, 150, 92, 0.45), 0 2px 8px rgba(0,0,0,0.35);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  animation: chat-enter 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
  animation-delay: 1.2s;
  opacity: 0;
}
.chat-float__btn:hover,
.chat-float__btn:focus-visible {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(200, 150, 92, 0.60), 0 2px 12px rgba(0,0,0,0.40);
  outline: none;
}
.chat-float__btn:focus-visible {
  outline: 2px solid var(--color-kin, #C8965C);
  outline-offset: 3px;
}

.chat-float__icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  position: absolute;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.chat-float__icon--open  { opacity: 1; transform: scale(1)   rotate(0deg); }
.chat-float__icon--close { opacity: 0; transform: scale(0.6) rotate(45deg); }

.chat-float__btn.is-open .chat-float__icon--open  { opacity: 0; transform: scale(0.6) rotate(-45deg); }
.chat-float__btn.is-open .chat-float__icon--close { opacity: 1; transform: scale(1)   rotate(0deg); }

.chat-float__pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(200, 150, 92, 0.55);
  animation: chat-pulse 2.4s ease-out infinite;
  animation-delay: 1.8s;
  pointer-events: none;
}

/* --- Panel -------------------------------------------------- */
.chat-panel {
  width: 340px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  background: var(--color-nuri, #1E1916);
  border: 1px solid rgba(200, 150, 92, 0.22);
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.65), 0 2px 8px rgba(0,0,0,0.35);
  overflow: hidden;
  animation: chat-panel-enter 0.28s cubic-bezier(0.34,1.3,0.64,1) both;
  transform-origin: bottom right;
}

.chat-panel__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-sumi, #0D0D0D);
  border-bottom: 1px solid rgba(200, 150, 92, 0.15);
  flex-shrink: 0;
}
.chat-panel__header-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-kin, #C8965C);
  color: var(--color-sumi, #0D0D0D);
  font-family: var(--font-jp, serif);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-panel__header-name {
  font-family: var(--font-display, serif);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-washi, #F2E8D9);
  letter-spacing: 0.04em;
  margin: 0 0 2px;
}
.chat-panel__header-status {
  font-family: var(--font-body, serif);
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-kin, #C8965C);
  letter-spacing: 0.06em;
  margin: 0;
}

/* --- Messages ---------------------------------------------- */
.chat-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}
.chat-panel__messages::-webkit-scrollbar { width: 4px; }
.chat-panel__messages::-webkit-scrollbar-track { background: transparent; }
.chat-panel__messages::-webkit-scrollbar-thumb { background: rgba(200,150,92,0.3); border-radius: 2px; }

.chat-msg {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  animation: chat-msg-in 0.22s ease both;
}
.chat-msg--user { flex-direction: row-reverse; }

.chat-msg__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-kin, #C8965C);
  color: var(--color-sumi, #0D0D0D);
  font-family: var(--font-jp, serif);
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-msg__bubble {
  max-width: 78%;
  padding: 9px 13px;
  border-radius: 14px;
  font-family: var(--font-body, serif);
  font-size: var(--text-sm, 0.875rem);
  line-height: 1.6;
  color: var(--color-washi, #F2E8D9);
}
.chat-msg--bot .chat-msg__bubble {
  background: var(--color-kuro, #161616);
  border-radius: 14px 14px 14px 4px;
  border: 1px solid rgba(200, 150, 92, 0.14);
}
.chat-msg--user .chat-msg__bubble {
  background: var(--color-kin, #C8965C);
  color: var(--color-sumi, #0D0D0D);
  border-radius: 14px 14px 4px 14px;
}
.chat-msg__bubble a {
  color: var(--color-kin-light, #DBAA74);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.chat-msg--user .chat-msg__bubble a { color: var(--color-sumi, #0D0D0D); }

/* Typing indicator */
.chat-msg--typing .chat-msg__bubble {
  padding: 11px 16px;
  display: flex;
  gap: 5px;
  align-items: center;
}
.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-kin, #C8965C);
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* --- Input row --------------------------------------------- */
.chat-panel__input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(200, 150, 92, 0.15);
  background: var(--color-sumi, #0D0D0D);
  flex-shrink: 0;
}
.chat-panel__input {
  flex: 1;
  background: var(--color-kuro, #161616);
  border: 1px solid rgba(200, 150, 92, 0.22);
  border-radius: 24px;
  padding: 8px 14px;
  font-family: var(--font-body, serif);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-washi, #F2E8D9);
  outline: none;
  transition: border-color 0.2s ease;
}
.chat-panel__input::placeholder { color: var(--color-washi-faint, rgba(242,232,217,0.38)); }
.chat-panel__input:focus { border-color: rgba(200, 150, 92, 0.55); }

.chat-panel__send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-kin, #C8965C);
  color: var(--color-sumi, #0D0D0D);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.15s ease;
}
.chat-panel__send svg { width: 16px; height: 16px; }
.chat-panel__send:hover { background: var(--color-kin-light, #DBAA74); transform: scale(1.08); }
.chat-panel__send:focus-visible { outline: 2px solid var(--color-kin, #C8965C); outline-offset: 2px; }

/* --- Light theme overrides --------------------------------- */
[data-theme="light"] .chat-panel {
  background: #FBF7F2;
  border-color: rgba(160, 106, 48, 0.20);
}
[data-theme="light"] .chat-panel__header {
  background: #F0E8DC;
  border-bottom-color: rgba(160, 106, 48, 0.15);
}
[data-theme="light"] .chat-panel__header-name { color: #1A1410; }
[data-theme="light"] .chat-msg--bot .chat-msg__bubble {
  background: #F0E8DC;
  border-color: rgba(160, 106, 48, 0.18);
  color: #1A1410;
}
[data-theme="light"] .chat-msg__bubble a { color: #A87844; }
[data-theme="light"] .chat-panel__input-row { background: #F0E8DC; border-top-color: rgba(160,106,48,0.15); }
[data-theme="light"] .chat-panel__input {
  background: #FBF7F2;
  border-color: rgba(160, 106, 48, 0.25);
  color: #1A1410;
}

/* --- Animations -------------------------------------------- */
@keyframes chat-enter {
  from { opacity: 0; transform: scale(0.4) translateY(20px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}
@keyframes chat-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes chat-panel-enter {
  from { opacity: 0; transform: scale(0.88) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}
@keyframes chat-msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-6px); }
}

@media (max-width: 480px) {
  .chat-float {
    bottom: 90px;
    right: 18px;
  }
  .chat-float__btn {
    width: 52px;
    height: 52px;
  }
  .chat-float__icon {
    width: 26px;
    height: 26px;
  }
  .chat-panel {
    width: calc(100vw - 36px);
    max-height: 420px;
  }
}