/* ── Design tokens from UX_UI_DESIGN.md ───────────────────────── */
:root {
  --bg:          #0E0F12;   /* OLED Pitch Black */
  --surface:     #18191E;   /* Charcoal Dark */
  --surface-hi:  #22242C;   /* Elevated Slate */
  --border:      #272832;   /* Subtle border */

  --lime:        #A3E635;   /* Electric Lime – primary accent */
  --lavender:    #C084FC;   /* Soft Lavender – secondary accent */
  --coral:       #F87171;   /* Soft Coral – warnings */
  --yellow:      #FACC15;   /* Canary Yellow – notices */

  --text:        #FFFFFF;
  --muted:       #9CA3AF;
  --on-accent:   #000000;   /* text on lime / lavender buttons */

  --r-pill:  100px;
  --r-card:   22px;
  --r-sheet:  28px;
  --r-badge:  14px;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-disp: 'Space Grotesk', 'Inter', sans-serif;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--lime);
  text-decoration: none;
  transition: color .18s ease;
}
a:hover { color: var(--lavender); }

/* ── Container ─────────────────────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14,15,18,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: var(--font-disp);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.4px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo:hover { color: var(--text); }

/* Nav pill bar – matches C-1 Filter Pill Bar from design spec */
.toc-pill-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
}
.toc-pill-nav::-webkit-scrollbar { display: none; }

.pill {
  background: var(--surface);
  border: none;
  border-radius: var(--r-pill);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
  flex-shrink: 0;
}
.pill:hover { background: var(--surface-hi); color: var(--text); }
.pill.active  { background: var(--lime); color: var(--on-accent); }

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(ellipse 60% 40% at 85% 10%, rgba(163,230,53,.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(192,132,252,.04) 0%, transparent 70%);
}
.hero-inner { max-width: 700px; }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 14px;
}

h1 {
  font-family: var(--font-disp);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.5px;
  margin-bottom: 18px;
}
h1 .accent { color: var(--lime); }

.hero-sub {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 580px;
}

/* Meta strip */
.meta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 14px 20px;
  width: fit-content;
}
.meta-label {
  font-weight: 600;
  color: var(--text);
  margin-right: 5px;
}
.sep { color: var(--border); }

/* ── Highlight Banner (C-3 spec) ─────────────────────────────────── */
.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--lavender);
  color: var(--on-accent);
  border-radius: var(--r-card);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 700;
  margin: 24px 0;
}

/* ── Main layout: sidebar + content ──────────────────────────────── */
.main-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
  padding-top: 8px;
  padding-bottom: 80px;
}

/* ── Sidebar TOC ─────────────────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: 76px;
}
.sidebar-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 12px;
}
.sidebar-list {
  list-style: none;
  counter-reset: none;
}
.sidebar-list li { margin-bottom: 4px; }

.toc-link {
  display: block;
  font-size: 13px;
  color: var(--muted);
  padding: 5px 10px;
  border-left: 2px solid var(--border);
  transition: color .15s, border-color .15s;
  text-decoration: none;
}
.toc-link:hover, .toc-link.active {
  color: var(--lime);
  border-color: var(--lime);
}

/* ── Policy body ─────────────────────────────────────────────────── */
.policy-body { min-width: 0; }

.policy-section { padding: 8px 0 0; }

/* Section number tag */
.section-tag {
  font-family: var(--font-disp);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--lime);
  margin-bottom: 10px;
}

h2 {
  font-family: var(--font-disp);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.3px;
  color: var(--text);
  margin-bottom: 14px;
}

h3 {
  font-family: var(--font-disp);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  margin-top: 20px;
}

p { color: var(--muted); margin-bottom: 14px; }

ul, ol {
  color: var(--muted);
  padding-left: 22px;
  margin-bottom: 16px;
}
li { margin-bottom: 8px; }
li strong { color: var(--text); }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ── Callout boxes ───────────────────────────────────────────────── */
.callout {
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.55;
  margin: 20px 0;
  border-left: 3px solid transparent;
}
.callout-lime     { background: rgba(163,230,53,.08); border-color: var(--lime);     color: var(--muted); }
.callout-lavender { background: rgba(192,132,252,.08); border-color: var(--lavender); color: var(--muted); }
.callout-yellow   { background: rgba(250,204,21,.08);  border-color: var(--yellow);   color: var(--muted); }
.callout-coral    { background: rgba(248,113,113,.08); border-color: var(--coral);    color: var(--muted); }
.callout strong   { color: var(--text); }
.callout a        { color: var(--lime); }

/* ── Accordion ───────────────────────────────────────────────────── */
.accordion-group { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }

.accordion {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: border-color .2s ease;
}
.accordion:hover { border-color: rgba(163,230,53,.25); }

.accordion-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: none;
  border: none;
  padding: 16px 20px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.chevron { transition: transform .25s cubic-bezier(.4,0,.2,1); color: var(--muted); flex-shrink: 0; }
.accordion-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); color: var(--lime); }

.accordion-content {
  display: none;
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}
.accordion-content.open { display: block; }
.accordion-content p { margin-top: 14px; }

/* ── Use-case cards (2-col grid) ─────────────────────────────────── */
.use-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.use-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.use-card strong { display: block; color: var(--text); font-size: 14px; margin-bottom: 4px; }
.use-card p { margin: 0; font-size: 13px; }

/* Icon badge – matches C-2 spec */
.use-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-lime     { background: var(--lime); }
.icon-lavender { background: var(--lavender); }

/* ── Third-party table ───────────────────────────────────────────── */
.data-table-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--r-card); border: 1px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  background: var(--surface-hi);
  color: var(--text);
  font-weight: 700;
  text-align: left;
  padding: 13px 16px;
}
.data-table td {
  color: var(--muted);
  padding: 13px 16px;
  border-top: 1px solid var(--border);
  vertical-align: top;
}
.data-table td strong { color: var(--text); }
.data-table tr:hover td { background: rgba(255,255,255,.015); }

/* ── Retention cards ─────────────────────────────────────────────── */
.retention-cards { display: flex; flex-direction: column; gap: 8px; margin: 20px 0; }
.retention-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 16px 20px;
  display: flex;
  gap: 20px;
  align-items: baseline;
}
.retention-action {
  font-size: 13px;
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
  min-width: 180px;
}
.retention-result { font-size: 14px; color: var(--muted); }

/* ── Rights list ─────────────────────────────────────────────────── */
.rights-list { display: flex; flex-direction: column; gap: 10px; margin: 20px 0; }
.right-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.right-pill {
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  flex-shrink: 0;
}
.pill-lime     { background: var(--lime);     color: var(--on-accent); }
.pill-lavender { background: var(--lavender); color: var(--on-accent); }
.right-row p { margin: 0; font-size: 14px; }

/* ── Contact card ─────────────────────────────────────────────────── */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  margin-top: 20px;
}
.contact-row {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.contact-row:last-child { border-bottom: none; }
.contact-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  min-width: 90px;
  text-transform: uppercase;
  letter-spacing: .8px;
}
.contact-value { font-size: 14px; color: var(--text); }

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: #080910;
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--lime); }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 820px) {
  .main-grid { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .toc-pill-nav { display: flex; }

  h1 { font-size: 28px; }
  .use-card-grid { grid-template-columns: 1fr; }

  .retention-card { flex-direction: column; gap: 6px; }
  .retention-action { min-width: unset; }

  .right-row { flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .banner { flex-wrap: wrap; }
  .meta-strip { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sep { display: none; }
}

/* ── Scrollbar styling ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-hi); border-radius: 4px; }