/* ─────────────────────────────────────────────
   TrueSpend — shared styles for Help, Privacy, Terms
   Uses the same Untitled UI tokens as index.html.
───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fafafa;
  --color-bg-tertiary: #f5f5f5;
  --color-text-primary: #181d27;
  --color-text-secondary: #414651;
  --color-text-tertiary: #535862;
  --color-text-quaternary: #717680;
  --color-border-primary: #d5d7da;
  --color-border-secondary: #e9eaeb;
  --color-brand: #69b00a;
  --color-brand-alt: #edfdd5;
  --color-brand-dark: #519006;
  --color-brand-border: #c3f283;
  --shadow-xs: 0px 1px 2px rgba(10,13,18,0.05);
  --shadow-sm: 0px 1px 3px rgba(10,13,18,0.1), 0px 1px 2px -1px rgba(10,13,18,0.1);
  --shadow-skeuo: inset 0 0 0 1px rgba(10,13,18,0.18), inset 0 -2px 0 rgba(10,13,18,0.05);
  --focus-ring: 0 0 0 2px #fff, 0 0 0 4px var(--color-brand);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;
  --max-w: 1280px;
  --px: 32px;
  --header-h: 72px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Wide monitors: ≤1440px is the baseline and unchanged (1280px container,
   80px outer gutter). Above 1440px the container grows with the viewport,
   always keeping that 80px gutter, until it caps at 1680px. */
@media (min-width: 1441px) {
  :root { --max-w: min(1680px, calc(100vw - 160px)); }
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
html, body {
  font-family: var(--font);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

/* ── HEADER ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--color-border-secondary);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.nav-container {
  max-width: var(--max-w); margin: 0 auto; padding: 0 var(--px); width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-size: 16px; font-weight: 600; line-height: 24px;
  color: var(--color-text-tertiary); text-decoration: none;
  padding: 8px 12px; border-radius: var(--radius-md);
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--color-bg-tertiary); color: var(--color-text-secondary); }
/* Current page: neutral grey tab, matching the app's top nav */
.nav-links a[aria-current="page"] { color: var(--color-text-secondary); background: var(--color-bg-tertiary); }

/* ── PAGE HERO (dot grid as on landing) ── */
.page-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--color-border-secondary); }
.page-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, #D5D7DA 1px, transparent 1px);
  background-size: 20px 20px;
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, black 0%, rgba(0,0,0,0.5) 50%, transparent 85%);
  mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, black 0%, rgba(0,0,0,0.5) 50%, transparent 85%);
}
.page-hero-inner {
  position: relative; max-width: 768px; margin: 0 auto;
  padding: 96px var(--px) 80px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; line-height: 20px;
  color: var(--color-brand-dark); background: var(--color-brand-alt);
  border: 1px solid var(--color-brand-border);
  padding: 2px 10px; border-radius: var(--radius-full);
}
.page-hero h1 {
  font-size: 48px; font-weight: 600; line-height: 60px; letter-spacing: -0.96px;
  color: var(--color-text-primary); text-wrap: balance;
}
.page-hero p.lede { font-size: 20px; line-height: 30px; color: var(--color-text-tertiary); max-width: 640px; }
.page-hero .meta { font-size: 14px; line-height: 20px; color: var(--color-text-quaternary); }

/* ── INPUT (search) ── */
.search {
  position: relative; width: 100%; max-width: 480px; margin-top: 24px;
}
.search i {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--color-text-quaternary); pointer-events: none;
}
.search input {
  width: 100%; font: inherit; font-size: 16px; line-height: 24px;
  color: var(--color-text-primary);
  padding: 12px 14px 12px 44px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary); border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.search input::placeholder { color: var(--color-text-quaternary); }
.search input:focus { outline: none; border-color: var(--color-brand); box-shadow: var(--shadow-xs), 0 0 0 4px rgba(105,176,10,0.18); }
.search-hint { font-size: 14px; line-height: 20px; color: var(--color-text-quaternary); }

/* ── SECTIONS ── */
.section { padding: 80px 0; }
.section-gray { background: var(--color-bg-secondary); }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--px); }
.section-heading { font-size: 30px; font-weight: 600; line-height: 38px; letter-spacing: -0.6px; margin-bottom: 12px; }
.section-sub { font-size: 18px; line-height: 28px; color: var(--color-text-tertiary); margin-bottom: 48px; max-width: 640px; }

.featured-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs), var(--shadow-skeuo);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary); font-size: 22px;
}
.featured-icon.sm { width: 40px; height: 40px; font-size: 20px; border-radius: var(--radius-md); }

/* ── HELP: topic cards ── */
.topic-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.topic-card {
  display: flex; flex-direction: column; gap: 20px;
  padding: 24px; text-decoration: none;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-secondary); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.topic-card:hover { border-color: var(--color-border-primary); box-shadow: var(--shadow-sm); }
.topic-card h3 { font-size: 18px; font-weight: 600; line-height: 28px; margin-bottom: 4px; }
.topic-card p { font-size: 16px; line-height: 24px; color: var(--color-text-tertiary); }
.topic-card .count {
  margin-top: auto; font-size: 14px; font-weight: 600; line-height: 20px; color: var(--color-brand-dark);
  display: inline-flex; align-items: center; gap: 6px;
}

/* ── HELP: FAQ accordion ── */
.faq-layout { display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 64px; align-items: start; }
.faq-group { scroll-margin-top: calc(var(--header-h) + 24px); }
.faq-group + .faq-group { margin-top: 56px; }
.faq-group h2 {
  font-size: 20px; font-weight: 600; line-height: 30px; margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
}
.faq-list { border-top: 1px solid var(--color-border-secondary); }
.faq-list details { border-bottom: 1px solid var(--color-border-secondary); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 24px;
  padding: 20px 0; font-size: 18px; font-weight: 500; line-height: 28px; color: var(--color-text-primary);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .toggle {
  flex-shrink: 0; width: 24px; height: 24px; margin-top: 2px;
  border: 2px solid var(--color-text-quaternary); border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-quaternary); font-size: 14px;
}
.faq-list summary .toggle::before { content: '+'; font-weight: 600; line-height: 1; }
.faq-list details[open] summary .toggle::before { content: '−'; }
.faq-answer { padding: 0 48px 24px 0; font-size: 16px; line-height: 24px; color: var(--color-text-tertiary); }
.faq-answer p + p, .faq-answer p + ul, .faq-answer ul + p { margin-top: 12px; }
.faq-answer ul { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.faq-answer strong { color: var(--color-text-secondary); font-weight: 600; }
.faq-answer a, .prose a { color: var(--color-brand-dark); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.no-results {
  padding: 32px; text-align: center; border: 1px dashed var(--color-border-primary);
  border-radius: var(--radius-xl); color: var(--color-text-tertiary); font-size: 16px; line-height: 24px;
}

/* ── SIDEBAR NAV (Help + Legal) ── */
.side-nav { position: sticky; top: calc(var(--header-h) + 32px); display: flex; flex-direction: column; gap: 4px; }
.side-nav .side-label {
  font-size: 12px; font-weight: 600; line-height: 18px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-text-quaternary); padding: 0 12px 8px;
}
.side-nav a {
  font-size: 15px; font-weight: 500; line-height: 22px; text-decoration: none;
  color: var(--color-text-tertiary);
  padding: 8px 12px; border-radius: var(--radius-md);
  transition: background 0.15s, color 0.15s;
}
.side-nav a:hover { background: var(--color-bg-secondary); color: var(--color-text-secondary); }
.side-nav a.active { background: var(--color-bg-secondary); color: var(--color-text-primary); font-weight: 600; }

/* ── LEGAL LAYOUT + PROSE ── */
/* Same columns as the Help page (.faq-layout) so all three pages share one content width */
.legal-layout { display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 64px; align-items: start; }
.prose { font-size: 18px; line-height: 28px; color: var(--color-text-tertiary); }
.prose > * + * { margin-top: 20px; }
.prose section { scroll-margin-top: calc(var(--header-h) + 24px); }
.prose section + section { margin-top: 48px; }
.prose h2 { font-size: 24px; font-weight: 600; line-height: 32px; color: var(--color-text-primary); margin-bottom: 16px; }
.prose h3 { font-size: 18px; font-weight: 600; line-height: 28px; color: var(--color-text-primary); margin-top: 28px; margin-bottom: 8px; }
.prose p + p, .prose p + ul, .prose ul + p, .prose p + .table-wrap, .prose .table-wrap + p { margin-top: 16px; }
.prose ul { padding-left: 24px; display: flex; flex-direction: column; gap: 8px; }
.prose ul li::marker { color: var(--color-text-quaternary); }
.prose strong { color: var(--color-text-secondary); font-weight: 600; }

.summary-card {
  background: var(--color-bg-secondary); border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-2xl); padding: 24px 28px;
  display: flex; flex-direction: column; gap: 16px;
}
.summary-card h2 { font-size: 18px !important; line-height: 28px !important; margin: 0 !important; }
.check-list { list-style: none; padding: 0 !important; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; line-height: 24px; color: var(--color-text-secondary); }
.check-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--color-brand-alt); border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-brand); font-size: 13px;
}

.table-wrap { overflow-x: auto; border: 1px solid var(--color-border-secondary); border-radius: var(--radius-xl); box-shadow: var(--shadow-xs); }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 20px; min-width: 560px; }
.table-wrap th {
  text-align: left; font-size: 12px; font-weight: 500; line-height: 18px; color: var(--color-text-quaternary);
  background: var(--color-bg-secondary); padding: 12px 20px; border-bottom: 1px solid var(--color-border-secondary);
}
.table-wrap td { padding: 14px 20px; color: var(--color-text-tertiary); border-bottom: 1px solid var(--color-border-secondary); vertical-align: top; }
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap td:first-child { color: var(--color-text-primary); font-weight: 500; }

.notice {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px 20px; border-radius: var(--radius-xl);
  background: var(--color-brand-alt); border: 1px solid var(--color-brand-border);
  font-size: 16px; line-height: 24px; color: var(--color-text-secondary);
}
.notice i { font-size: 20px; color: var(--color-brand-dark); margin-top: 2px; }

/* ── PRIVACY: "Private by design" cards (end of Privacy page) ── */
.privacy-layout { display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 64px; align-items: start; }
.privacy-layout .section-sub { margin-bottom: 0; }
.privacy-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.privacy-card { padding: 24px; border: 1px solid var(--color-border-secondary); border-radius: var(--radius-xl); background: var(--color-bg-primary); box-shadow: var(--shadow-xs); display: flex; gap: 16px; align-items: flex-start; }
.privacy-card h3 { font-size: 18px; font-weight: 600; line-height: 28px; margin-bottom: 4px; }
.privacy-card p { font-size: 16px; line-height: 24px; color: var(--color-text-tertiary); }

/* ── CONTACT / CTA ── */
.cta-banner {
  background: var(--color-bg-secondary); border-radius: var(--radius-2xl); padding: 32px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px;
}
.cta-banner h3 { font-size: 20px; font-weight: 600; line-height: 30px; margin-bottom: 8px; }
.cta-banner p { font-size: 18px; line-height: 28px; color: var(--color-text-tertiary); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: 16px; font-weight: 600; line-height: 24px; text-decoration: none; cursor: pointer;
  padding: 10px 16px; border-radius: var(--radius-md); border: 1px solid transparent;
  box-shadow: var(--shadow-xs), var(--shadow-skeuo);
}
.btn-primary { background: var(--color-brand); color: #fff; border-color: var(--color-brand); }
.btn-primary:hover { background: var(--color-brand-dark); }
.btn-secondary { background: var(--color-bg-primary); color: var(--color-text-secondary); border-color: var(--color-border-primary); }
.btn-secondary:hover { background: var(--color-bg-secondary); }

/* ── FOOTER (matches landing) ── */
footer { background: var(--color-bg-secondary); padding: 64px 0 48px; }
.footer-container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--px); }
.footer-inner {
  border-top: 1px solid var(--color-border-secondary); padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px;
}
.footer-copy { font-size: 16px; color: var(--color-text-quaternary); line-height: 24px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: 16px; color: var(--color-text-quaternary); text-decoration: none; transition: color 0.15s; }
.footer-links a { display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--color-text-primary); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .topic-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .faq-layout, .legal-layout, .privacy-layout { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .side-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .side-nav .side-label { width: 100%; padding-left: 0; }
  .side-nav a { border: 1px solid var(--color-border-secondary); padding: 6px 12px; font-size: 14px; line-height: 20px; }
}
@media (max-width: 700px) {
  :root { --px: 16px; --header-h: 64px; }
  .nav-links a { padding: 6px 8px; font-size: 14px; }
  .nav-links a.hide-sm { display: none; }
  .page-hero-inner { padding: 64px var(--px) 56px; }
  .page-hero h1 { font-size: 36px; line-height: 44px; letter-spacing: -0.72px; }
  .page-hero p.lede { font-size: 18px; line-height: 28px; }
  .topic-grid, .privacy-grid { grid-template-columns: minmax(0,1fr); }
  .section { padding: 56px 0; }
  .prose { font-size: 16px; line-height: 24px; }
  .faq-answer { padding-right: 0; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .legal-layout .side-nav { display: none; }
}