/* =========================================================
   MOON ART GROUNDS — Design Tokens + Base Styles
   Single source of truth. Edit here, all 13 pages update.
   ========================================================= */

:root {
  /* Colors */
  --mag-red: #E1131A;
  --mag-ink: #0A0A0A;
  --mag-paper: #FAFAF7;
  --mag-stone: #5C5C5C;
  --mag-line: #E5E3DD;
  --mag-shadow: #1A1A1A;

  /* Fonts */
  --font-sans: 'Inter', 'Pretendard', 'Pretendard Variable', system-ui, -apple-system, sans-serif;
  --font-kr: 'Pretendard', 'Pretendard Variable', 'Inter', system-ui, sans-serif;

  /* Type scale */
  --text-display: clamp(3rem, 5vw + 1rem, 6rem);
  --text-h1:      clamp(2.5rem, 4vw + 0.5rem, 4rem);
  --text-h2:      clamp(2rem, 2.5vw + 0.5rem, 2.75rem);
  --text-h3:      clamp(1.375rem, 1vw + 1rem, 1.75rem);
  --text-lead:    1.375rem;
  --text-body:    1.125rem;
  --text-caption: 0.875rem;

  /* Spacing rhythm */
  --space-section: clamp(5rem, 10vw, 10rem);
  --space-block:   clamp(2.5rem, 5vw, 5rem);
  --space-gutter:  clamp(1.5rem, 5vw, 5rem);

  /* Motion */
  --ease-mag:        cubic-bezier(0.2, 0.8, 0.2, 1);
  --duration-reveal: 600ms;
  --duration-page:   250ms;
}

/* =========================================================
   FONTS — Pretendard (KO primary) via official CDN.
   Cormorant Garamond + Montserrat are loaded per-page in <head>
   so they remain available to inline @font-face fallbacks here.
   Swap to self-hosted .woff2 in /fonts/ when ready.
   ========================================================= */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Defensive @font-face fallbacks — ensure font-display: swap on every face.
   Pretendard's official CDN already ships with font-display: swap. */
@font-face {
  font-family: 'Pretendard';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: local('Pretendard');
}

/* =========================================================
   RESET + BASE
   ========================================================= */

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

html {
  background: var(--mag-paper);
  color: var(--mag-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

[lang="ko-KR"] {
  font-family: var(--font-kr);
  /* Korean characters render larger than Latin at the same px size — scale down for optical match */
  font-size: 0.92em;
}

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

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

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

ul, ol { list-style: none; }

/* Focus ring — always visible, MAG red */
:focus-visible {
  outline: 2px solid var(--mag-red);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =========================================================
   LAYOUT
   ========================================================= */

.container {
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}

.container-narrow {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}

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

/* =========================================================
   TYPOGRAPHY
   ========================================================= */

.t-display {
  font-size: var(--text-display);
  line-height: 1.0;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-transform: uppercase;
}

.t-h1 {
  font-size: var(--text-h1);
  line-height: 1.05;
  letter-spacing: -0.015em;
  font-weight: 700;
}

.t-h2 {
  font-size: var(--text-h2);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.t-h3 {
  font-size: var(--text-h3);
  line-height: 1.2;
  font-weight: 600;
}

.t-lead {
  font-size: var(--text-lead);
  line-height: 1.5;
  font-weight: 400;
}

.t-caption {
  font-size: var(--text-caption);
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mag-stone);
}

/* =========================================================
   BILINGUAL BLOCKS — KO + EN side-by-side at md+, stacked on mobile
   ========================================================= */

.bilingual {
  display: grid;
  gap: 1.5rem;
}
.bilingual > [lang="en"] {
  /* Mobile: EN sits below KO with subtle differentiation */
}
@media (min-width: 768px) {
  .bilingual {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* Stacked variant — KO above EN at ALL breakpoints, EN tinted stone */
.bilingual-stack > [lang="ko-KR"] { margin-bottom: 1rem; }
.bilingual-stack > [lang="en"]    { color: var(--mag-stone); }

/* =========================================================
   SECTION HEADING — eyebrow + KO title + EN title
   ========================================================= */

.section-heading { margin-bottom: 2rem; }
.section-heading .eyebrow {
  font-size: var(--text-caption);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mag-stone);
  margin-bottom: 1rem;
}
.section-heading [lang="ko-KR"] {
  display: block;
  margin-bottom: 0.5rem;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  padding-block: 3rem 2rem;
}
.hero .eyebrow {
  font-size: var(--text-caption);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mag-stone);
  margin-bottom: 1.5rem;
}
.hero h1 + h1 { margin-top: 0;  }
.hero [lang="ko-KR"].t-display { margin-bottom: 0.75rem; }
.hero-leads {
  display: grid;
  gap: 2rem;
  max-width: 1120px;
  margin-top: 3rem;
}
@media (min-width: 768px) {
  .hero-leads {
    grid-template-columns: 1fr 1fr;
  }
}
.hero-cta { margin-top: 2.5rem; }

/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.75rem;
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--mag-ink);
  background: var(--mag-ink);
  color: var(--mag-paper);
  transition: background 0.25s var(--ease-mag), color 0.25s var(--ease-mag);
}
.btn:hover { background: var(--mag-red); border-color: var(--mag-red); }
.btn--ghost {
  background: transparent;
  color: var(--mag-ink);
}
.btn--ghost:hover { background: var(--mag-ink); color: var(--mag-paper); }

/* =========================================================
   CARDS — Three Spaces grid (Moon Gallery / Archive / Silver Screen)
   ========================================================= */

.spaces-grid {
  display: grid;
  gap: 2rem;
  margin-top: 4rem;
}
@media (min-width: 768px) {
  .spaces-grid { grid-template-columns: repeat(3, 1fr); }
}

.space-card {
  display: block;
  background: var(--mag-paper);
  transition: transform 0.4s var(--ease-mag);
}
.space-card-image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--mag-shadow);
  margin-bottom: 1.5rem;
  position: relative;
}
.space-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,10,10,0.4) 100%);
  pointer-events: none;
}
.space-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-mag);
}
.space-card:hover .space-card-image img { transform: scale(1.04); }
.space-card-title {
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.space-card-desc-ko { display: block; margin-bottom: 0.5rem; line-height: 1.5; }
.space-card-desc-en { color: var(--mag-stone); line-height: 1.5; }

/* =========================================================
   STAT GRID
   ========================================================= */

.stat-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
  border-top: 1px solid var(--mag-line);
}
@media (min-width: 640px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(5, 1fr); }
}
.stat {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--mag-line);
}
@media (min-width: 1024px) {
  .stat { border-bottom: none; }
}
.stat-label {
  font-size: var(--text-caption);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mag-stone);
  margin-bottom: 0.5rem;
}
.stat-label-ko {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}
.stat-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: var(--text-body);
  font-weight: 500;
}
.stat-values span:not(:last-child)::after {
  content: '·';
  margin-left: 0.75rem;
  color: var(--mag-line);
}

/* =========================================================
   HEADER + NAV
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--mag-line);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}
.site-logo {
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-logo:hover { color: var(--mag-red); }

.site-nav {
  display: none;
  gap: 2rem;
  align-items: center;
}
.site-nav a {
  font-size: var(--text-caption);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mag-stone);
  transition: color 0.2s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--mag-ink);
}
@media (min-width: 1024px) {
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--mag-ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  background: var(--mag-paper);
  border-top: 1px solid var(--mag-line);
  padding: 1.5rem var(--space-gutter) 2rem;
}
.mobile-menu.is-open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1rem; }
.mobile-menu a {
  display: flex;
  justify-content: space-between;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--mag-line);
  font-size: 1rem;
}
.mobile-menu a:last-child { border-bottom: none; }
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }

/* =========================================================
   FOOTER — legacy block removed (Dec 2026). Footer styling now
   lives in styles/site-header.css ".site-footer v2" rules.
   The previous rules here referenced classes (footer-intro,
   footer-info ul, footer-newsletter) that no longer exist in
   the current footer markup, and the .site-footer / .footer-bottom
   declarations conflicted with the white v2 footer (causing a
   dark padding stripe on pages that loaded main.css).
   ========================================================= */

/* =========================================================
   PLACEHOLDER PAGES (coming-soon stubs for unfinished routes)
   ========================================================= */

.placeholder-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem var(--space-gutter);
}
.placeholder-page .eyebrow { color: var(--mag-red); }
.placeholder-page h1 { margin-bottom: 1rem; }
.placeholder-page p { color: var(--mag-stone); max-width: 480px; margin-inline: auto; }

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
