/* =============================================
   Privacy Policy — styles.css
   Clean, minimal, responsive. No framework.
   ============================================= */

:root {
  --bg: #f8f8f7;
  --surface: #ffffff;
  --border: #e5e5e3;
  --text-primary: #1a1a1a;
  --text-secondary: #555550;
  --text-muted: #888884;
  --accent: #2563eb;
  --accent-subtle: #eff6ff;
  --heading-font: "Inter", system-ui, -apple-system, sans-serif;
  --body-font: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 10px;
  --max-width: 760px;
}

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

/* ---- Base ---- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--body-font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding: 0 1rem 4rem;
}

/* ---- Layout ---- */
.page-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ---- Header ---- */
header {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

header .app-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

header h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

header .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ---- Table of Contents ---- */
.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 3rem;
}

.toc h2 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc ol {
  padding-left: 1.25rem;
  display: grid;
  gap: 0.35rem;
}

.toc a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

.toc a:hover {
  color: var(--accent);
}

/* ---- Sections ---- */
.policy-section {
  margin-bottom: 3rem;
  scroll-margin-top: 1.5rem;
}

.section-number {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.35rem;
  display: block;
}

.policy-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.policy-section p {
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  font-size: 0.9625rem;
}

.policy-section p:last-child { margin-bottom: 0; }

/* ---- List ---- */
.policy-section ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.policy-section ul li {
  padding-left: 1.35rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9625rem;
}

.policy-section ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
  top: 0.2rem;
}

/* ---- Callout / Note box ---- */
.callout {
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.9rem 1.1rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---- Placeholder highlight ---- */
.placeholder {
  background: #fef9c3;
  color: #854d0e;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-style: normal;
  font-weight: 600;
  font-size: 0.875em;
}

/* ---- Footer ---- */
footer {
  margin-top: 4rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.6;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }

/* ---- Divider ---- */
hr.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  body { padding: 0 0.875rem 3rem; }
  header { padding: 2rem 0 2rem; }
  .toc ol { grid-template-columns: 1fr; }
  .policy-section h2 { font-size: 1.1rem; }
}