:root {
  --bg: #0f0d0c;
  --bg-alt: #141110;
  --surface: #1b1817;
  --text: #efe6d6;
  --text-dim: #a89d8d;
  --accent: #a6301f;
  --accent-soft: #c9543f;
  --gold: #c9a35f;
  --border: #2c2622;
  --max: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

h1, h2, h3, .logo, .btn, .eyebrow, .hero-eyebrow, .cat-btn, .tag {
  font-family: Georgia, "Times New Roman", serif;
}

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

.container { width: min(var(--max), 92%); margin: 0 auto; }

h1, h2 { line-height: 1.2; font-weight: 400; }

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

/* Promo bar */
.promo-bar {
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 0;
}

.promo-inner {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  text-align: center;
}

.promo-highlight {
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.55);
  padding: 0.05rem 0.7rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 13, 12, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.logo span { font-size: 0.72rem; font-weight: 400; color: var(--gold); letter-spacing: 0.14em; }

.nav { display: flex; gap: 1.6rem; }

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: 0.3s;
}

.nav.open { display: flex; }

/* Hero */
.hero {
  min-height: 86vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(15, 13, 12, 0.62), rgba(15, 13, 12, 0.72)),
    url("hero.png") center center / cover no-repeat,
    var(--bg);
  border-bottom: 1px solid var(--border);
  background-attachment: fixed;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--gold);
  font-size: 0.78rem;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 400;
  margin-bottom: 1.3rem;
}

.hero-sub {
  color: var(--text-dim);
  max-width: 30rem;
  font-size: 1.02rem;
  margin-bottom: 2.2rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Buttons — squared, classic */
.btn {
  display: inline-block;
  padding: 0.75rem 1.9rem;
  border-radius: 0;
  text-decoration: none;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-light { background: var(--text); color: var(--bg); }
.btn-light:hover { background: #fff; }

.btn-outline { border-color: var(--text-dim); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--text); background: rgba(255,255,255,0.04); }

.btn-primary { background: var(--accent); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--accent-soft); }

/* Sections */
.about, .menu, .reserve, .contact {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  border-bottom: 1px solid var(--border);
}

.about, .menu, .gallery, .reserve, .contact { background: var(--bg-alt); }
.about { background: var(--bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p { color: var(--text-dim); margin-bottom: 1.1rem; }

.about-features {
  list-style: none;
  margin-top: 1.6rem;
  border-top: 1px solid var(--border);
}

.about-features li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.98rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.stat {
  background: var(--bg);
  padding: 1.8rem 1.2rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.9rem;
  font-weight: 400;
  color: var(--gold);
}

.stat span { color: var(--text-dim); font-size: 0.85rem; }

/* Menu */
.menu { text-align: center; }

.menu-groups {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 2rem 0 0.4rem;
  border-bottom: 1px solid var(--border);
}

.group-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.55rem 0.2rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}

.group-btn:hover { color: var(--text); }

.group-btn.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.menu-cats {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.4rem 0 2.4rem;
}

.cat-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.45rem 1.2rem;
  border-radius: 0;
  cursor: pointer;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: 0.2s;
}

.cat-btn:hover { color: var(--text); border-color: var(--text-dim); }

.cat-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0;
  text-align: left;
}

.menu-item {
  padding: 1.2rem 1.4rem 1.3rem;
  border-bottom: 1px dotted var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.4s forwards;
}

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

.menu-item h3 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 1.02rem;
  font-weight: 400;
}

.menu-item h3 .no {
  color: var(--text-dim);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  margin-right: 0.4rem;
}

.menu-item .price { color: var(--gold); font-family: Georgia, "Times New Roman", serif; white-space: nowrap; }

.menu-item p { color: var(--text-dim); font-size: 0.92rem; }

.menu-item .tag {
  align-self: flex-start;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  padding: 0.12rem 0.55rem;
  border-radius: 0;
}

.opt-list {
  list-style: none;
  margin-top: 0.3rem;
  border-top: 1px solid var(--border);
}

.opt-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
  flex-wrap: wrap;
}

.opt-key {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.78rem;
}

.opt-price {
  margin-left: auto;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  white-space: nowrap;
}

.pieces {
  list-style: none;
  margin-top: 0.3rem;
  border-top: 1px solid var(--border);
}

.pieces li {
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.allergens {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.allergens span.label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-right: 0.2rem;
}

.all {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.3rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
}

.menu-legend {
  margin: 2.6rem auto 0;
  max-width: 720px;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg);
}

.menu-legend summary {
  cursor: pointer;
  padding: 0.9rem 1.2rem;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.menu-legend summary:hover { color: var(--text); }

.legend-body {
  padding: 0 1.2rem 1.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 2rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.legend-body h4 {
  grid-column: 1 / -1;
  margin: 0.8rem 0 0.2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--text);
}

.legend-body .row {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.legend-note {
  grid-column: 1 / -1;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
}

/* Gallery */
.gallery { padding: clamp(3.5rem, 8vw, 5.5rem) 0; border-bottom: 1px solid var(--border); }
.gallery .container { margin-bottom: 2rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 180px;
  gap: 0.6rem;
}

.g-item {
  background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  background-color: var(--bg);
  background-image: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.04), transparent 60%);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}

.g-item::after {
  content: "Senzou";
  position: absolute;
  left: 0.9rem;
  bottom: 0.7rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(239, 230, 214, 0.45);
}

.g-item.tall { grid-row: span 2; }
.g-item:hover { transform: scale(1.02); }

/* Reserve */
.reserve { text-align: center; }

.reserve-form {
  max-width: 620px;
  margin: 2rem auto 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.reserve-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.reserve-form input,
.reserve-form select,
.reserve-form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  padding: 0.7rem 0.9rem;
  font: inherit;
  text-transform: none;
  letter-spacing: 0;
  resize: vertical;
}

.reserve-form input:focus,
.reserve-form select:focus,
.reserve-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.form-status { text-align: center; font-size: 0.95rem; min-height: 1.4em; }
.form-status.ok { color: #7ec98e; }
.form-status.err { color: var(--accent-soft); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info p { color: var(--text-dim); margin-bottom: 1.2rem; }
.contact-info strong { color: var(--text); font-weight: 600; }

.map { border: 1px solid var(--border); }

.map iframe { display: block; filter: grayscale(0.4) invert(0.88) hue-rotate(180deg); }

/* Footer */
.site-footer {
  padding: 2.6rem 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.site-footer .logo { display: inline-block; margin-bottom: 0.6rem; color: var(--text); }

/* Responsive */
@media (max-width: 820px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem 4%;
  }

  .nav a { padding: 0.7rem 0; }

  .nav-toggle { display: flex; }

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

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}