/* NOHO Theatre Group — Kyoto Modernist design system (Stitch) */

:root {
  --color-background: #fdf8f8;
  --color-on-background: #1c1b1b;
  --color-primary: #000000;
  --color-on-primary: #ffffff;
  --color-on-surface: #1c1b1b;
  --color-on-surface-variant: #444748;
  --color-surface: #fdf8f8;
  --color-surface-container: #f1edec;
  --color-surface-container-low: #f7f3f2;
  --color-outline: #747878;
  --color-outline-variant: #c4c7c7;
  --color-noh-gold: #c5a059;
  --color-cinnabar: #b22222;
  --color-sumi-ink: #1a1a1a;
  --color-wasabi-gray: #e2e2d5;

  --font-display: "Libre Caslon Text", serif;
  --font-body: "Hanken Grotesk", sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-section: 120px;
  --container-max: 1280px;
  --header-height: 100px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--color-background);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
}

html[lang="ja"] body,
html[lang="ja"] .font-body-md,
html[lang="ja"] .font-body-lg,
html[lang="ja"] .font-label-caps,
html[lang="ja"] .font-bilingual-sub {
  font-family: "Hanken Grotesk", "Noto Sans JP", sans-serif;
}

html[lang="ja"] .font-display-lg,
html[lang="ja"] .font-headline-lg,
html[lang="ja"] .font-headline-md,
html[lang="ja"] .font-headline-lg-mobile {
  font-family: "Libre Caslon Text", "Noto Serif JP", serif;
}

/* ── Color utilities (fallback if Tailwind CDN misses tokens) ── */
.bg-background { background-color: var(--color-background) !important; }
.bg-surface { background-color: var(--color-surface) !important; }
.bg-surface-container { background-color: var(--color-surface-container) !important; }
.bg-surface-container-low { background-color: var(--color-surface-container-low) !important; }
.bg-primary { background-color: var(--color-primary) !important; }
.bg-sumi-ink { background-color: var(--color-sumi-ink) !important; }
.bg-cinnabar { background-color: var(--color-cinnabar) !important; }
.bg-noh-gold { background-color: var(--color-noh-gold) !important; }
.bg-wasabi-gray { background-color: var(--color-wasabi-gray) !important; }

.text-primary { color: var(--color-primary) !important; }
.text-on-primary { color: var(--color-on-primary) !important; }
.text-on-surface { color: var(--color-on-surface) !important; }
.text-on-surface-variant { color: var(--color-on-surface-variant) !important; }
.text-on-background { color: var(--color-on-background) !important; }
.text-noh-gold { color: var(--color-noh-gold) !important; }
.text-cinnabar { color: var(--color-cinnabar) !important; }
.text-outline-variant { color: var(--color-outline-variant) !important; }

.border-primary { border-color: var(--color-primary) !important; }
.border-outline-variant { border-color: var(--color-outline-variant) !important; }
.border-noh-gold { border-color: var(--color-noh-gold) !important; }

/* ── Spacing utilities ── */
.px-margin-edge { padding-left: var(--space-6) !important; padding-right: var(--space-6) !important; }
.py-section-gap { padding-top: var(--space-section) !important; padding-bottom: var(--space-section) !important; }
.mb-section-gap { margin-bottom: var(--space-section) !important; }
.gap-gutter { gap: var(--space-4) !important; }
.gap-stack-loose { gap: var(--space-3) !important; }
.gap-stack-tight { gap: var(--space-1) !important; }
.mb-stack-loose { margin-bottom: var(--space-3) !important; }
.mb-stack-tight { margin-bottom: var(--space-1) !important; }
.mt-stack-loose { margin-top: var(--space-3) !important; }
.max-w-container-max { max-width: var(--container-max) !important; }

/* ── Typography: font families ── */
.font-display-lg,
.font-headline-lg,
.font-headline-md,
.font-headline-lg-mobile {
  font-family: var(--font-display) !important;
}

.font-label-caps,
.font-body-lg,
.font-body-md,
.font-bilingual-sub {
  font-family: var(--font-body) !important;
}

/* ── Typography: sizes ── */
.text-display-lg {
  font-size: 64px !important;
  line-height: 72px !important;
  letter-spacing: -0.02em !important;
  font-weight: 400 !important;
}

.text-headline-lg {
  font-size: 40px !important;
  line-height: 48px !important;
  font-weight: 400 !important;
}

.text-headline-md {
  font-size: 28px !important;
  line-height: 36px !important;
  font-weight: 400 !important;
}

.text-headline-lg-mobile {
  font-size: 32px !important;
  line-height: 40px !important;
  font-weight: 400 !important;
}

.text-body-lg {
  font-size: 18px !important;
  line-height: 28px !important;
  font-weight: 400 !important;
}

.text-body-md {
  font-size: 16px !important;
  line-height: 24px !important;
  font-weight: 400 !important;
}

.text-label-caps {
  font-size: 12px !important;
  line-height: 16px !important;
  letter-spacing: 0.15em !important;
  font-weight: 600 !important;
  text-transform: uppercase;
}

.text-bilingual-sub {
  font-size: 14px !important;
  line-height: 20px !important;
  font-weight: 400 !important;
}

@media (max-width: 767px) {
  .text-display-lg {
    font-size: 32px !important;
    line-height: 40px !important;
  }
}

/* ── Material icons ── */
.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 300, "GRAD" 0, "opsz" 24;
  vertical-align: middle;
  display: inline-block;
  line-height: 1;
}

/* ── Site chrome ── */
.site-header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-primary);
}

.site-main--offset {
  padding-top: var(--header-height);
}

.site-main--offset > section:first-child {
  padding-top: var(--space-2);
}

.site-nav-link {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.15em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  transition: color 0.3s ease, opacity 0.3s ease;
}

.site-nav-link:hover {
  color: var(--color-primary);
  opacity: 0.7;
}

.site-nav-link.is-active {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 4px;
}

.mobile-nav {
  border-top: 1px solid var(--color-outline-variant);
  background-color: var(--color-background);
  padding: var(--space-3) var(--space-6);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-2) 0;
  font-size: 12px;
  letter-spacing: 0.15em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.mobile-nav-link.is-active {
  color: var(--color-primary);
  font-weight: 700;
}

/* ── Component utilities ── */
.ma-space {
  letter-spacing: 0.2em;
}

.japanese-vertical {
  writing-mode: vertical-rl;
}

.text-vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.image-frame {
  border: 1px solid var(--color-sumi-ink);
}

.hover-lift {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: no-preference) {
  .hover-lift:hover {
    transform: translateY(-8px);
  }
}

.form-underline:focus {
  outline: none;
  border-bottom-color: var(--color-cinnabar) !important;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* ── Legal page ── */
.legal-content h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  font-size: 28px;
  border-bottom: 1px solid var(--color-sumi-ink);
  padding-bottom: var(--space-1);
}

.legal-content p {
  margin-bottom: 20px;
  color: var(--color-on-surface-variant);
}

.legal-content ul {
  margin-bottom: var(--space-3);
  list-style-type: none;
}

.legal-content li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: 12px;
  color: var(--color-on-surface-variant);
}

.legal-content li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-noh-gold);
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ── Mobile margins (Stitch: 20px on mobile) ── */
@media (max-width: 767px) {
  .px-margin-edge {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}