/* ============================================================
   TONSHOU — style.css
   Palette: near-black charcoal #0e0d0c, warm amber #c8891a,
   pale cream #f2ead8, deep smoke #1a1816, off-white #e8e0d0
   Type: Shippori Mincho (display) + DM Sans (body)
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:    #0e0d0c;
  --smoke:    #1a1816;
  --coal:     #252220;
  --amber:    #c8891a;
  --amber-lt: #e0a030;
  --cream:    #f2ead8;
  --offwhite: #e8e0d0;
  --muted:    #7a7268;
  --white:    #ffffff;

  --font-display: 'Shippori Mincho', 'Georgia', serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;

  --nav-h: 64px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--black);
  color: var(--offwhite);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  border: 1.5px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
}
.btn-primary:hover {
  background: var(--amber);
  color: var(--black);
}

.btn-secondary {
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid var(--muted);
  color: var(--offwhite);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
  margin-top: 24px;
}
.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  transition: background 0.35s;
}
.nav.scrolled {
  background: rgba(14, 13, 12, 0.96);
  border-bottom: 1px solid rgba(200, 137, 26, 0.2);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.2em;
  font-weight: 800;
  color: var(--cream);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--amber);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--offwhite);
  transition: transform 0.25s, opacity 0.25s;
}

/* ── MOBILE DRAWER ── */
.mobile-drawer {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--smoke);
  padding: 0 40px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s;
}
.mobile-drawer.open {
  max-height: 300px;
  padding: 20px 40px 32px;
}
.mobile-drawer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-drawer a {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--offwhite);
}

/* ── HERO ── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-img.loaded {
  transform: scale(1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(14,13,12,0.2) 0%,
    rgba(14,13,12,0.1) 40%,
    rgba(14,13,12,0.75) 75%,
    rgba(14,13,12,0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 60px 100px;
  max-width: 700px;
}
.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.hero-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  line-height: 1.0;
}
.hero-line {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 800;
  color: var(--cream);
}
.hero-line--en {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--offwhite);
}
.hero-sub {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--offwhite);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
}

.hero-scroll-hint {
  position: absolute;
  right: 40px;
  bottom: 80px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0.5;
}
.hero-scroll-hint span {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--offwhite), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.6); transform-origin: top; }
}

/* ── INTRO STRIP ── */
.intro-strip {
  background: var(--smoke);
  padding: 64px 60px;
  border-top: 1px solid rgba(200,137,26,0.25);
  border-bottom: 1px solid rgba(200,137,26,0.25);
}
.intro-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 400;
  color: var(--cream);
  max-width: 900px;
  line-height: 1.7;
}

/* ── STORY ── */
.story {
  padding: 120px 60px;
  background: var(--black);
}
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.story-img-wrap {
  position: relative;
}
.story-img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
}
.story-img-caption {
  position: absolute;
  bottom: -28px;
  left: 0;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.story-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.story-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 32px;
}
.story-body {
  font-size: 0.9rem;
  color: var(--offwhite);
  margin-bottom: 20px;
  line-height: 1.8;
  max-width: 500px;
}

/* ── PROCESS ── */
.process {
  background: var(--smoke);
  padding: 120px 60px;
}
.process-header {
  max-width: 1200px;
  margin: 0 auto 80px;
}
.process-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.process-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.1;
}

.process-steps {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.process-step {
  background: var(--coal);
  padding: 48px 36px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.process-step.visible {
  opacity: 1;
  transform: translateY(0);
}
.process-step:nth-child(2) { transition-delay: 0.1s; }
.process-step:nth-child(3) { transition-delay: 0.2s; }
.process-step:nth-child(4) { transition-delay: 0.3s; }

.step-marker {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 28px;
  opacity: 0.85;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ── MENU ── */
.menu-section {
  background: var(--black);
  padding: 120px 60px;
}
.menu-header {
  max-width: 1200px;
  margin: 0 auto 64px;
}
.menu-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.menu-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--cream);
}

.menu-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.menu-card {
  background: var(--smoke);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.menu-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.menu-card--featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.menu-card-img-wrap {
  position: relative;
  overflow: hidden;
}
.menu-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  min-height: 220px;
}
.menu-card--featured .menu-card-img-wrap img {
  min-height: 400px;
}
.menu-card:hover .menu-card-img-wrap img {
  transform: scale(1.04);
}

.menu-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--amber);
  color: var(--black);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 5px 12px;
}

.menu-card-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.menu-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 4px;
}
.menu-card-cut {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.menu-card-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
}
.menu-card-price {
  font-size: 0.82rem;
  color: var(--offwhite);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.menu-card-price strong {
  font-weight: 500;
  color: var(--cream);
}
.menu-card-price em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.72rem;
}
.price-divider {
  color: var(--muted);
}

.menu-footer-note {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.menu-footer-note p {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ── CONDIMENTS ── */
.condiments {
  background: var(--coal);
  padding: 100px 60px;
  border-top: 1px solid rgba(200,137,26,0.2);
  border-bottom: 1px solid rgba(200,137,26,0.2);
}
.condiments-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.condiments-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.condiments-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--cream);
  margin-bottom: 60px;
}
.condiments-grid {
  display: flex;
  justify-content: center;
  gap: 64px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.condiment-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.condiment-kanji {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
}
.condiment-name {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.condiments-note {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* ── VISIT ── */
.visit {
  background: var(--smoke);
  padding: 120px 60px;
}
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.visit-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.visit-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 48px;
}
.visit-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 8px;
}
.visit-detail {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  font-size: 0.84rem;
}
.detail-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  padding-top: 2px;
}
.detail-val {
  color: var(--offwhite);
  line-height: 1.7;
}

.visit-img-wrap {
  overflow: hidden;
}
.visit-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center;
  filter: grayscale(15%);
}

/* ── FOOTER ── */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 80px 60px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: 0.2em;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.footer-logo span {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
}
.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-nav a:hover {
  color: var(--amber);
}
.footer-copy {
  font-size: 0.68rem;
  color: rgba(122,114,104,0.5);
  margin-top: 12px;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .menu-card--featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }

  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .mobile-drawer { padding: 0 24px; }
  .mobile-drawer.open { padding: 20px 24px 28px; }

  .hero-content { padding: 0 24px 80px; }
  .hero-scroll-hint { display: none; }

  .intro-strip { padding: 48px 24px; }

  .story { padding: 80px 24px; }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .story-img { aspect-ratio: 16/9; }

  .process { padding: 80px 24px; }
  .process-header { margin-bottom: 48px; }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .process-step { padding: 36px 28px; }

  .menu-section { padding: 80px 24px; }
  .menu-grid {
    grid-template-columns: 1fr;
  }
  .menu-card--featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .menu-card--featured .menu-card-img-wrap img {
    min-height: 260px;
  }

  .condiments { padding: 72px 24px; }
  .condiments-grid { gap: 36px; }

  .visit { padding: 80px 24px; }
  .visit-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .visit-img { aspect-ratio: 16/9; }

  .footer { padding: 60px 24px; }
}

/* Hero fade-in */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}

.hero-line {
  opacity: 0;
  animation: fadeUp 0.6s 0.35s forwards;
}

.hero-line--en {
  animation-delay: 0.5s;
}

.hero-sub {
  opacity: 0;
  animation: fadeUp 0.6s 0.65s forwards;
}

.hero-content .btn-primary {
  opacity: 0;
  animation: fadeUp 0.6s 0.8s forwards;
}

@media (prefers-reduced-motion: reduce) {
  .hero-img { transition: none; transform: scale(1); }
  .scroll-line { animation: none; }
  * { transition-duration: 0.01ms !important; }
}