/* NOIZ — Manga / Glitch landing styles. Mirrors the in-app Tokens. */

:root {
  --paper: #f4ead2;
  --ink: #0a0a0a;
  --ink-dim: rgba(10, 10, 10, 0.65);
  --accent: #ff2766;
  --halftone: rgba(10, 10, 10, 0.06);
  --stroke: 1.5px;
  --stroke-bold: 3px;
  --shadow: 6px 8px 0 var(--ink);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Pretendard", "Noto Sans JP", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "SF Pro", "Helvetica Neue", sans-serif;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(var(--halftone) 1.2px, transparent 1.2px);
  background-size: 14px 14px;
  background-position: 0 0;
}

a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
a:hover { color: var(--accent); }

/* ── Header ─────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: var(--stroke) solid var(--ink);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header .brand {
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.lang-switcher {
  display: inline-flex;
  border: var(--stroke-bold) solid var(--ink);
  box-shadow: 3px 4px 0 var(--ink);
  background: var(--paper);
}
.lang-switcher button {
  appearance: none;
  background: var(--paper);
  border: 0;
  border-right: var(--stroke-bold) solid var(--ink);
  color: var(--ink);
  cursor: pointer;
  font: 800 14px/1 "Pretendard", "Noto Sans JP", system-ui, sans-serif;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  text-transform: uppercase;
  transition: background-color 0.12s ease, color 0.12s ease;
}
.lang-switcher button:last-child { border-right: 0; }
.lang-switcher button:hover {
  background: var(--ink);
  color: var(--paper);
}
.lang-switcher button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--paper);
}
.lang-switcher button[aria-pressed="true"]:hover {
  background: var(--accent);
}

/* ── Layout ─────────────────────────────── */
main {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.hero {
  border: var(--stroke-bold) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 56px 36px 48px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      to bottom,
      transparent 0 3px,
      rgba(10, 10, 10, 0.04) 3px 4px
    );
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(64px, 12vw, 124px);
  margin: 0 0 12px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.9;
  color: var(--accent);
  -webkit-text-stroke: 3px var(--ink);
  paint-order: stroke fill;
  transform: rotate(-2deg);
  display: inline-block;
  text-shadow: 5px 6px 0 var(--ink);
}
.hero .tag {
  display: inline-block;
  font: 700 13px/1 "Pretendard", "Noto Sans JP", system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 10px;
  margin-bottom: 18px;
}
.hero p.lede {
  font-size: clamp(18px, 2.2vw, 22px);
  margin: 0 0 28px;
  max-width: 640px;
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--paper);
  font-weight: 800;
  letter-spacing: 0.04em;
  border: var(--stroke-bold) solid var(--ink);
  box-shadow: 4px 5px 0 var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 14px;
}
.cta.secondary { background: var(--paper); color: var(--ink); }
.cta:hover { transform: translate(2px, 2px); box-shadow: 2px 3px 0 var(--ink); }

/* ── Section heading ────────────────────── */
.section { margin-top: 72px; }
.section h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 24px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 8px;
}
.section h2::after {
  content: "";
  display: block;
  height: 4px;
  background: var(--ink);
  margin-top: 12px;
}

/* ── Feature grid ───────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  border: var(--stroke-bold) solid var(--ink);
  background: var(--paper);
  padding: 20px 22px;
  box-shadow: 4px 5px 0 var(--ink);
  position: relative;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.card p { margin: 0; line-height: 1.55; color: var(--ink-dim); }

/* ── Long-form prose (privacy / support) ─ */
.prose {
  border: var(--stroke-bold) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 40px 36px;
}
.prose h1 {
  font-size: clamp(36px, 6vw, 56px);
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.prose h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 22px;
  text-transform: uppercase;
}
.prose p, .prose li { line-height: 1.7; font-size: 16px; }
.prose ul { padding-left: 22px; }
.prose .meta {
  display: inline-block;
  font: 700 12px/1 "Pretendard", system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 10px;
  margin-bottom: 20px;
}

/* ── Footer ─────────────────────────────── */
.site-footer {
  border-top: var(--stroke) solid var(--ink);
  padding: 28px 24px;
  font-size: 13px;
  color: var(--ink-dim);
  text-align: center;
}
.site-footer a { margin: 0 8px; }

/* ── i18n visibility ────────────────────── */
[data-lang] { display: none; }
html[lang="ja"] [data-lang="ja"] { display: revert; }
html[lang="ko"] [data-lang="ko"] { display: revert; }
html[lang="en"] [data-lang="en"] { display: revert; }
/* Language-switcher buttons must always remain visible, regardless of
   the currently selected language. */
.lang-switcher [data-lang] { display: inline-flex !important; }