/* ============================================================
   ARTISTIK · STATIC SITE — DIRECTION A SHARED STYLES
   Used by terms.html, privacy.html, 404.html. The full editorial
   stylesheet for the landing page is inlined in index.html.
   Light is the default; dark is opt-in via the toggle.
   ============================================================ */

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

html[data-direction="A"] {
  --font-display: "Fraunces Variable", "Fraunces", "Times New Roman", serif;
  --font-sans: "Inter Variable", "Inter", -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --cyan-50:  #e6f7fb;
  --cyan-100: #c4ecf3;
  --cyan-200: #8fdbe8;
  --cyan-300: #5ec5d8;
  --cyan-400: #36a8c2;
  --cyan-500: #2d8fac;
  --cyan-600: #21627e;
  --cyan-700: #174a62;
  --cyan-800: #0f3447;
  --cyan-900: #08222f;

  --signal: #e8c97a;
  --rouge: #c84a3a;

  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
}

html[data-mode="light"] {
  --bg: #ffffff;
  --bg-elev: #f5f5f5;
  --bg-card: #ffffff;
  --fg: #131312;
  --fg-dim: #4f4e48;
  --fg-mute: #7a7870;
  --line: #e6e6e6;
  --line-strong: #c4c4c4;
  --accent: var(--cyan-600);
  --accent-deep: var(--cyan-700);
  color-scheme: light;
}

html[data-mode="dark"] {
  --bg: #0c0c0b;
  --bg-elev: #131312;
  --bg-card: #15171a;
  --fg: #f7f6f1;
  --fg-dim: #a8a69a;
  --fg-mute: #7a7870;
  --line: #232527;
  --line-strong: #2d2f31;
  --accent: var(--cyan-300);
  --accent-deep: var(--cyan-600);
  color-scheme: dark;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Editorial type ---------- */
.t-display {
  font-family: var(--font-display);
  font-weight: 380;
  letter-spacing: -0.025em;
  line-height: 0.95;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 144;
}
.t-display em {
  font-style: italic;
  font-variation-settings: "SOFT" 80, "WONK" 1, "opsz" 144;
  color: var(--accent);
}
.t-eyebrow, .t-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.t-meta { letter-spacing: 0.04em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.18s cubic-bezier(0.2, 0.7, 0.2, 1);
  white-space: nowrap;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
}
.btn-lg { padding: 14px 24px; font-size: 14px; }
.btn-primary { background: var(--cyan-600); color: #fff; }
.btn-primary:hover { background: var(--cyan-700); }
html[data-mode="dark"] .btn-primary { background: var(--cyan-300); color: #060605; }
html[data-mode="dark"] .btn-primary:hover { background: var(--cyan-200); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--fg); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Tag chip ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.tag-accent { border-color: var(--accent); color: var(--accent); }

/* ---------- Layout ---------- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container { padding: 0 56px; } }
.container-narrow { max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  /* Contain backdrop-blur paint so scrolling content doesn't appear to
     bleed through the nav on mobile Safari. */
  isolation: isolate;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) { .nav-row { padding: 0 56px; } }
.nav-mark { display: flex; align-items: center; gap: 10px; }
.nav-mark img { width: 28px; height: 28px; display: block; }
.nav-mark .word {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 380;
  letter-spacing: -0.01em;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.02em;
  transition: color 0.18s;
}
.nav-link:hover { color: var(--accent); }

.mode-toggle {
  width: 32px; height: 32px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--fg-dim);
  transition: all 0.18s;
}
.mode-toggle:hover { color: var(--accent); border-color: var(--accent); }
.mode-toggle .icon-sun { display: none; }
html[data-mode="dark"] .mode-toggle .icon-sun { display: block; }
html[data-mode="dark"] .mode-toggle .icon-moon { display: none; }

/* ---------- Footer ---------- */
footer.site-foot {
  margin-top: auto;
  padding: 40px 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
@media (min-width: 768px) {
  .foot-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}
.foot-inner a { color: var(--fg-mute); transition: color 0.18s; }
.foot-inner a:hover { color: var(--accent); }
.foot-links { display: flex; gap: 24px; flex-wrap: wrap; }

/* ---------- Document body (legal pages) ---------- */
.doc {
  flex: 1;
  padding: 64px 0 96px;
}
.doc h1 {
  font-family: var(--font-display);
  font-weight: 380;
  letter-spacing: -0.025em;
  line-height: 1;
  font-size: 56px;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 144;
}
@media (min-width: 768px) { .doc h1 { font-size: 72px; } }
.doc .lead-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-top: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 40px;
}
.doc h2 {
  font-family: var(--font-display);
  font-weight: 380;
  letter-spacing: -0.015em;
  font-size: 28px;
  line-height: 1.15;
  margin: 48px 0 16px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.doc h2:first-of-type { padding-top: 0; border-top: none; margin-top: 0; }
.doc h3 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 20px;
  line-height: 1.3;
  margin: 28px 0 12px;
  color: var(--fg);
}
.doc p, .doc li {
  font-size: 15px;
  color: var(--fg-dim);
  line-height: 1.75;
  margin-bottom: 14px;
}
.doc strong { color: var(--fg); font-weight: 600; }
.doc ul, .doc ol { padding-left: 24px; margin-bottom: 18px; }
.doc li { margin-bottom: 6px; }
.doc a { color: var(--accent); }
.doc a:hover { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 4px; }
.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}
.doc th, .doc td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--fg-dim);
}
.doc th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg-elev);
}

/* ---------- 404 ---------- */
.notfound {
  flex: 1;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.notfound .glow {
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--cyan-500) 16%, transparent) 0%, transparent 60%);
}
html[data-mode="dark"] .notfound .glow {
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--cyan-300) 16%, transparent) 0%, transparent 60%);
}
.notfound .inner {
  position: relative;
  text-align: center;
  padding: 80px 24px;
  max-width: 600px;
}
.notfound .code {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 180px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 144;
  margin-bottom: 24px;
}
@media (min-width: 768px) { .notfound .code { font-size: 240px; } }
.notfound .code em {
  font-style: italic;
  font-variation-settings: "SOFT" 80, "WONK" 1, "opsz" 144;
  color: var(--accent);
}
.notfound h1 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 32px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.notfound p {
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
}
.notfound .actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Smooth direction/mode flip */
* {
  transition-property: background-color, border-color, color, box-shadow;
  transition-duration: 0.18s;
  transition-timing-function: cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}