/* ───────────────────────────────────────────────
   KUHA — shared site styles
   Used by: index, privacy, terms, delete-account, support
   ─────────────────────────────────────────────── */

:root {
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --surface-hi: #222;
  --border: #2a2a2a;
  --border-hi: #3a3530;
  --primary: #ff6b35;
  --primary-dim: #c0501f;
  --secondary: #ffb070;
  --text: #ffffff;
  --text-dim: #aaaaaa;
  --text-mute: #666666;
  --sans: "Inter Tight", system-ui, -apple-system, sans-serif;
  --display: "Archivo Black", "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --container: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--secondary); }
img { max-width: 100%; display: block; }

/* ─── Film grain overlay (page-wide, very subtle) ─── */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 90;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 180px 180px;
}

/* ─── Nav ─── */
.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(13, 13, 13, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex; align-items: center; gap: 32px;
}
.brand {
  font-family: var(--display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 4px;
  color: var(--text);
  display: flex; align-items: center; gap: 10px;
}
.brand::before {
  content: "";
  width: 8px; height: 8px; border-radius: 4px;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
}
.nav-links {
  display: flex; gap: 28px; margin-left: auto;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.6px;
  align-items: center;
}
.nav-links a { color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.3px;
  padding: 12px 20px;
  border-radius: 100px;
  border: 0;
  cursor: pointer;
  transition: transform .08s, box-shadow .15s, background .15s;
}
.btn-primary {
  background: var(--primary);
  color: #1a0a04;
  box-shadow: 0 6px 20px -6px rgba(255, 107, 53, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover { color: #1a0a04; box-shadow: 0 8px 24px -6px rgba(255, 107, 53, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hi); background: var(--surface); }

/* ─── Sections ─── */
section { position: relative; padding: 100px 28px; }
.container { max-width: var(--container); margin: 0 auto; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 2.4px; text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 3px;
  background: var(--primary);
}
h1, h2, h3 { color: var(--text); font-family: var(--sans); }
h1.display {
  font-family: var(--display);
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.95;
  letter-spacing: -2px;
  margin: 0;
}
h2.section-title {
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -1px;
  margin: 0 0 20px;
}
.lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 0 32px;
}

/* ─── Footer ─── */
.footer {
  padding: 80px 28px 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(255, 107, 53, 0.03));
}
.footer-inner {
  max-width: var(--container); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer h4 {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-mute); margin: 0 0 16px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer ul a { color: var(--text-dim); font-size: 14px; }
.footer ul a:hover { color: var(--text); }
.footer-meta {
  max-width: var(--container); margin: 60px auto 0;
  padding-top: 28px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-mute); letter-spacing: 0.4px;
  flex-wrap: wrap; gap: 12px;
}
.footer-tagline {
  margin-top: 14px; font-size: 13px; color: var(--text-dim);
  line-height: 1.6; max-width: 320px;
}

/* ─── Reader (legal pages) ─── */
.reader {
  max-width: 760px; margin: 0 auto;
  padding: 60px 28px 80px;
}
.reader .kicker {
  font-family: var(--mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.reader h1 {
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -1px;
  margin: 0 0 14px;
}
.reader .updated {
  font-size: 13px; color: var(--text-mute);
  letter-spacing: 0.4px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}
.reader h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 48px 0 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.reader h2:first-of-type { padding-top: 0; border-top: 0; margin-top: 0; }
.reader h3 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 26px 0 8px;
  color: var(--text);
}
.reader p, .reader li {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
}
.reader p { margin: 0 0 14px; }
.reader ul, .reader ol { padding-left: 22px; margin: 0 0 18px; }
.reader li { margin-bottom: 8px; }
.reader strong { color: var(--text); font-weight: 700; }
.reader code, .reader .mono {
  font-family: var(--mono); font-size: 13.5px;
  background: var(--surface); padding: 2px 6px;
  border-radius: 4px; border: 1px solid var(--border);
  color: var(--secondary);
}
.reader .callout {
  padding: 18px 22px;
  background: rgba(255, 176, 112, 0.06);
  border: 1px solid rgba(255, 176, 112, 0.25);
  border-radius: 12px;
  margin: 24px 0;
  font-size: 14.5px;
  color: var(--secondary);
  line-height: 1.6;
}
.reader .callout strong { color: #ffd5a8; }
.reader .toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 0 0 48px;
}
.reader .toc h4 {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-mute);
  margin: 0 0 12px;
}
.reader .toc ol { padding-left: 22px; margin: 0; columns: 2; column-gap: 28px; }
.reader .toc a { color: var(--text-dim); font-size: 14px; }
.reader .toc a:hover { color: var(--text); }
.reader .toc li { margin-bottom: 6px; }

/* ─── Back link ─── */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-mute);
  font-size: 12px; font-weight: 600;
  letter-spacing: 1.4px; text-transform: uppercase;
  margin-bottom: 28px;
}
.back-link:hover { color: var(--text-dim); }

/* ─── Responsive ─── */
@media (max-width: 760px) {
  .nav-inner { padding: 14px 18px; gap: 14px; }
  .nav-links { gap: 14px; }
  .nav-links .hide-sm { display: none; }
  section { padding: 60px 20px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner > div:first-child { grid-column: 1 / -1; }
  .footer-meta { flex-direction: column; align-items: flex-start; }
  .reader .toc ol { columns: 1; }
}