/* ═══════════════════════════════════════════════════════════════════════
   MasGen CMMS — Combined Documentation Site
   Site-level styles: navbar, hero, landing, sidebar, scroll behaviour
   May 2026
   ═══════════════════════════════════════════════════════════════════════ */

html { scroll-behavior:smooth; scroll-padding-top:84px; }

body {
  background:#f1f5f9;
  min-height:100vh;
}

/* ── TOP NAVBAR ─────────────────────────────────────────────────────────── */
.site-nav {
  position:fixed;
  top:0; left:0; right:0;
  height:68px;
  background:rgba(10, 22, 40, 0.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  z-index:1000;
  display:flex;
  align-items:center;
  padding:0 28px;
  gap:18px;
  box-shadow:0 4px 20px rgba(0,0,0,0.18);
}
.site-nav-brand {
  display:flex; align-items:center; gap:11px;
  text-decoration:none;
  color:#fff;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.3px;
  white-space:nowrap;
}
.site-nav-brand-logo {
  width:36px; height:36px;
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  font-size:17px; color:#fff;
  box-shadow:0 4px 14px rgba(37,99,235,.55);
  border:1px solid rgba(255,255,255,.18);
}
.site-nav-brand-text {
  display:flex; flex-direction:column; line-height:1.05;
}
.site-nav-brand-text .small {
  font-size:10px;
  color:rgba(255,255,255,0.6);
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
}
.site-nav-links {
  display:flex; align-items:center; gap:6px;
  margin-left:18px;
}
.site-nav-links a {
  color:rgba(255,255,255,0.78);
  text-decoration:none;
  font-size:13.5px;
  font-weight:600;
  padding:8px 14px;
  border-radius:8px;
  display:inline-flex; align-items:center; gap:7px;
  transition:background 0.15s, color 0.15s;
}
.site-nav-links a:hover {
  background:rgba(255,255,255,0.07);
  color:#fff;
}
.site-nav-links a.active {
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  color:#fff;
  box-shadow:0 4px 14px rgba(37,99,235,.45);
}
.site-nav-spacer { flex:1; }
.site-nav-meta {
  display:flex; align-items:center; gap:10px;
  color:rgba(255,255,255,0.55);
  font-size:11px;
  font-weight:600;
  letter-spacing:.5px;
}
.site-nav-meta .pill {
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:20px;
  padding:5px 12px;
  text-transform:uppercase;
  letter-spacing:.7px;
}

/* mobile nav toggle (kept simple) */
.site-nav-toggle { display:none; background:none; border:none; color:#fff; font-size:20px; cursor:pointer; }

/* ── PAGE LAYOUT WITH SIDEBAR ───────────────────────────────────────────── */
.with-nav { padding-top:68px; }

.doc-shell {
  display:grid;
  grid-template-columns:288px 1fr;
  max-width:1480px;
  margin:0 auto;
  position:relative;
}

.doc-sidebar {
  position:sticky;
  top:68px;
  align-self:start;
  height:calc(100vh - 68px);
  overflow-y:auto;
  padding:28px 18px 28px 22px;
  background:linear-gradient(180deg,#ffffff,#f8fafc);
  border-right:1px solid #e2e8f0;
}
.doc-sidebar::-webkit-scrollbar { width:8px; }
.doc-sidebar::-webkit-scrollbar-thumb { background:#cbd5e1; border-radius:4px; }
.doc-sidebar h4 {
  font-size:11px;
  font-weight:800;
  color:#64748b;
  text-transform:uppercase;
  letter-spacing:1.2px;
  margin:14px 0 10px 6px;
}
.doc-sidebar ol {
  list-style:none;
  counter-reset:dsi;
  padding:0;
  margin:0 0 14px 0;
}
.doc-sidebar ol li {
  counter-increment:dsi;
  margin:1px 0;
}
.doc-sidebar ol li a {
  display:flex; align-items:center; gap:10px;
  color:#334155;
  text-decoration:none;
  font-size:13px;
  font-weight:500;
  padding:8px 12px;
  border-radius:7px;
  transition:background 0.12s, color 0.12s;
  border-left:3px solid transparent;
}
.doc-sidebar ol li a::before {
  content:counter(dsi, decimal-leading-zero);
  font-size:10px;
  font-weight:800;
  color:#94a3b8;
  background:#eef2f7;
  border-radius:5px;
  padding:2px 6px;
  min-width:28px;
  text-align:center;
  flex-shrink:0;
}
.doc-sidebar ol li a:hover {
  background:#f5f3ff;
  color:#6d28d9;
}
.doc-sidebar ol li a.active {
  background:#ede9fe;
  color:#4c1d95;
  font-weight:700;
  border-left:3px solid #7c3aed;
}
.doc-sidebar ol li a.active::before {
  background:#7c3aed;
  color:#fff;
}

.doc-main {
  min-width:0; /* prevent grid overflow */
}

/* shrink the existing .section padding when used inside doc-main */
.doc-main .section {
  padding:46px 56px;
  max-width:1080px;
}
.doc-main .cover {
  border-radius:0;
}
.doc-main .toc-page {
  padding:54px 56px;
  max-width:1080px;
}

/* ── HERO LANDING PAGE ──────────────────────────────────────────────────── */
.hero {
  position:relative;
  min-height:calc(100vh - 68px);
  background:
    radial-gradient(circle at 20% 20%, rgba(37,99,235,0.45), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(8,145,178,0.40), transparent 45%),
    linear-gradient(135deg,#0a1628 0%,#102a4c 45%,#4c1d95 100%);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:60px 28px 80px 28px;
  overflow:hidden;
}
.hero::before {
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at center, black 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(circle at center, black 30%, transparent 75%);
}
.hero-inner {
  position:relative;
  width:100%;
  max-width:1240px;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:64px;
  align-items:center;
}
.hero-tag {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  padding:7px 16px;
  border-radius:30px;
  font-size:11.5px;
  font-weight:700;
  letter-spacing:1.2px;
  text-transform:uppercase;
  color:#c4b5fd;
  margin-bottom:24px;
}
.hero-tag i { color:#a78bfa; }
.hero h1 {
  font-size:54px;
  line-height:1.05;
  font-weight:800;
  letter-spacing:-1.5px;
  background:linear-gradient(135deg,#fff,#c4b5fd);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:18px;
}
.hero h1 .accent {
  background:linear-gradient(135deg,#a78bfa,#fb923c);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p.lead {
  font-size:18px;
  line-height:1.65;
  color:rgba(255,255,255,0.85);
  font-weight:300;
  margin-bottom:28px;
  max-width:560px;
}
.hero-stats {
  display:flex; gap:20px; flex-wrap:wrap;
  margin-bottom:28px;
}
.hero-stat {
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:12px;
  padding:14px 18px;
  min-width:120px;
}
.hero-stat .num {
  font-size:24px; font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#a78bfa,#fb923c);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-stat .lbl {
  font-size:11px;
  color:rgba(255,255,255,0.6);
  text-transform:uppercase;
  letter-spacing:.8px;
  font-weight:600;
}
.hero-cta {
  display:flex; gap:14px; flex-wrap:wrap;
  margin-top:8px;
}
.hero-cta a {
  display:inline-flex; align-items:center; gap:9px;
  padding:14px 26px;
  border-radius:11px;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  letter-spacing:.3px;
  transition:transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.hero-cta a.primary {
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  color:#fff;
  box-shadow:0 14px 38px rgba(37,99,235,.45);
}
.hero-cta a.primary:hover { transform:translateY(-2px); box-shadow:0 18px 50px rgba(37,99,235,.55); }
.hero-cta a.secondary {
  background:rgba(255,255,255,0.08);
  color:#fff;
  border:1px solid rgba(255,255,255,0.18);
}
.hero-cta a.secondary:hover { background:rgba(255,255,255,0.12); }

/* hero right card */
.hero-card {
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:22px;
  padding:30px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 30px 80px rgba(0,0,0,0.35);
}
.hero-card-h {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:18px;
}
.hero-card-h .pill {
  background:rgba(34,211,238,0.15);
  color:#fdba74;
  border:1px solid rgba(34,211,238,0.3);
  border-radius:20px;
  padding:4px 12px;
  font-size:10px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
}
.hero-card-h h3 {
  color:#fff;
  font-weight:700;
  font-size:16px;
}
.hero-card ul {
  list-style:none;
  display:flex; flex-direction:column; gap:11px;
}
.hero-card ul li {
  display:flex; align-items:flex-start; gap:11px;
  font-size:13.5px;
  color:rgba(255,255,255,0.85);
  padding:11px 14px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:11px;
}
.hero-card ul li i {
  color:#a78bfa;
  font-size:14px;
  margin-top:2px;
  width:18px;
  flex-shrink:0;
}
.hero-card ul li strong { color:#fff; font-weight:700; }

/* ── LANDING SECTION CARDS ──────────────────────────────────────────────── */
.land-section {
  max-width:1240px;
  margin:0 auto;
  padding:80px 28px;
}
.land-section h2 {
  font-size:32px; font-weight:800;
  color:#0f172a;
  letter-spacing:-.7px;
  margin-bottom:8px;
  text-align:center;
}
.land-section p.subtitle {
  text-align:center;
  font-size:16px;
  color:#64748b;
  max-width:680px;
  margin:0 auto 48px;
  font-weight:400;
}

.land-cards {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.land-card {
  background:#fff;
  border-radius:18px;
  border:1px solid #e2e8f0;
  padding:36px 32px;
  position:relative;
  overflow:hidden;
  text-decoration:none;
  color:inherit;
  transition:transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display:flex; flex-direction:column;
}
.land-card:hover {
  transform:translateY(-6px);
  box-shadow:0 30px 60px rgba(15,23,42,0.13);
  border-color:#7c3aed;
}
.land-card .icon-block {
  width:64px; height:64px;
  border-radius:16px;
  display:inline-flex; align-items:center; justify-content:center;
  color:#fff;
  font-size:26px;
  margin-bottom:20px;
  box-shadow:0 8px 24px rgba(37,99,235,.32);
}
.land-card.is-manual .icon-block  { background:linear-gradient(135deg,#7c3aed,#6d28d9); }
.land-card.is-workbook .icon-block{ background:linear-gradient(135deg,#ea580c,#c2410c); box-shadow:0 8px 24px rgba(8,145,178,.35); }
.land-card .pill {
  position:absolute;
  top:24px; right:24px;
  background:#f5f3ff;
  color:#6d28d9;
  font-size:10px;
  font-weight:800;
  padding:5px 11px;
  border-radius:20px;
  text-transform:uppercase;
  letter-spacing:.7px;
}
.land-card.is-workbook .pill { background:#ffedd5; color:#c2410c; }
.land-card h3 {
  font-size:22px; font-weight:800;
  color:#0f172a;
  letter-spacing:-.4px;
  margin-bottom:8px;
}
.land-card p {
  color:#64748b;
  font-size:14px;
  line-height:1.65;
  margin-bottom:18px;
  flex:1;
}
.land-card .lc-meta {
  display:flex; gap:14px; flex-wrap:wrap;
  font-size:12px; color:#475569; font-weight:600;
  margin-bottom:20px;
}
.land-card .lc-meta span {
  display:inline-flex; align-items:center; gap:6px;
}
.land-card .lc-meta i { color:#7c3aed; font-size:12px; }
.land-card.is-workbook .lc-meta i { color:#ea580c; }
.land-card .lc-cta {
  display:inline-flex; align-items:center; gap:9px;
  font-weight:700;
  font-size:14px;
  color:#6d28d9;
  background:#f5f3ff;
  padding:11px 18px;
  border-radius:10px;
  border:1px solid #ede9fe;
  align-self:flex-start;
  transition:gap 0.15s;
}
.land-card.is-workbook .lc-cta { color:#c2410c; background:#fff7ed; border-color:#ffedd5; }
.land-card:hover .lc-cta { gap:13px; }

/* ── FEATURES STRIP ─────────────────────────────────────────────────────── */
.features-strip {
  background:linear-gradient(180deg,#0f172a,#0a1628);
  color:#fff;
  padding:72px 28px;
}
.features-strip-inner {
  max-width:1240px;
  margin:0 auto;
}
.features-strip h2 {
  font-size:30px;
  font-weight:800;
  letter-spacing:-.7px;
  text-align:center;
  margin-bottom:8px;
  background:linear-gradient(135deg,#fff,#c4b5fd);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.features-strip p.sub {
  text-align:center;
  color:rgba(255,255,255,0.7);
  font-size:15px;
  margin-bottom:46px;
  font-weight:400;
}
.features-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.feature-tile {
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px;
  padding:24px 22px;
  transition:background 0.15s, border-color 0.15s, transform 0.15s;
}
.feature-tile:hover {
  background:rgba(255,255,255,0.07);
  border-color:rgba(96,165,250,0.45);
  transform:translateY(-3px);
}
.feature-tile i {
  width:44px; height:44px;
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  border-radius:11px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:18px;
  margin-bottom:14px;
}
.feature-tile h4 {
  font-size:15px;
  font-weight:700;
  margin-bottom:6px;
  color:#fff;
}
.feature-tile p {
  font-size:13px;
  color:rgba(255,255,255,0.7);
  line-height:1.55;
}

/* ── ROADMAP / QUICK LINKS ─────────────────────────────────────────────── */
.quick-rows {
  display:grid; grid-template-columns:1fr 1fr; gap:18px;
  margin-top:36px;
}
.quick-row {
  background:#fff;
  border-radius:14px;
  border:1px solid #e2e8f0;
  padding:22px 24px;
  display:flex; align-items:center; gap:16px;
  text-decoration:none;
  color:inherit;
  transition:transform 0.15s, box-shadow 0.15s;
}
.quick-row:hover { transform:translateX(4px); box-shadow:0 10px 30px rgba(15,23,42,0.08); }
.quick-row .ico {
  width:46px; height:46px;
  background:#f5f3ff; color:#7c3aed;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
  flex-shrink:0;
}
.quick-row .txt strong { color:#0f172a; font-size:14.5px; font-weight:800; display:block; margin-bottom:3px; }
.quick-row .txt span { color:#64748b; font-size:13px; }
.quick-row .arrow { margin-left:auto; color:#94a3b8; font-size:16px; }

/* ── FOOTER ─────────────────────────────────────────────────────────────── */
.site-foot {
  background:#0a1628;
  color:rgba(255,255,255,0.6);
  padding:36px 28px;
  font-size:12.5px;
  border-top:1px solid rgba(255,255,255,0.08);
}
.site-foot-inner {
  max-width:1240px;
  margin:0 auto;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.site-foot a { color:#c4b5fd; text-decoration:none; }
.site-foot a:hover { color:#fff; text-decoration:underline; }
.site-foot .left { display:flex; align-items:center; gap:14px; }
.site-foot .badge-year {
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  padding:5px 12px;
  border-radius:20px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.7px;
  color:#c4b5fd;
}

/* ── PROGRESS BAR (top of page reading progress) ───────────────────────── */
.read-progress {
  position:fixed;
  top:68px;
  left:0; right:0;
  height:3px;
  background:transparent;
  z-index:1001;
  pointer-events:none;
}
.read-progress-fill {
  height:100%;
  width:0%;
  background:linear-gradient(90deg,#7c3aed,#fb923c);
  transition:width 0.08s linear;
}

/* ── BACK TO TOP ────────────────────────────────────────────────────────── */
.back-top {
  position:fixed;
  bottom:24px; right:24px;
  width:46px; height:46px;
  border-radius:50%;
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  color:#fff;
  border:none;
  font-size:16px;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(37,99,235,.45);
  display:none;
  align-items:center;
  justify-content:center;
  transition:transform 0.15s;
  z-index:999;
}
.back-top:hover { transform:translateY(-3px); }
.back-top.show { display:flex; }

/* ── WORKBOOK-SPECIFIC STYLES ──────────────────────────────────────────── */

/* Lab header */
.lab-meta-row {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:6px 0 22px 0;
}
.lab-meta-row .meta-pill {
  display:inline-flex; align-items:center; gap:7px;
  background:#f1f5f9;
  border:1px solid #e2e8f0;
  border-radius:20px;
  padding:6px 14px;
  font-size:12px;
  color:#334155;
  font-weight:600;
}
.lab-meta-row .meta-pill i { color:#7c3aed; font-size:12px; }
.lab-meta-row .meta-pill.level-foundation { background:#dcfce7; color:#14532d; border-color:#bbf7d0; }
.lab-meta-row .meta-pill.level-foundation i { color:#16a34a; }
.lab-meta-row .meta-pill.level-intermediate { background:#ede9fe; color:#4c1d95; border-color:#ddd6fe; }
.lab-meta-row .meta-pill.level-intermediate i { color:#7c3aed; }
.lab-meta-row .meta-pill.level-advanced { background:#f3e8ff; color:#581c87; border-color:#e9d5ff; }
.lab-meta-row .meta-pill.level-advanced i { color:#9333ea; }

/* step legend cards */
.legend-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin:14px 0 20px 0;
}
.legend-tile {
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:10px;
  padding:14px 14px;
  display:flex; align-items:flex-start; gap:11px;
}
.legend-tile .ico {
  width:36px; height:36px;
  border-radius:9px;
  display:inline-flex; align-items:center; justify-content:center;
  color:#fff; font-size:14px;
  flex-shrink:0;
}
.legend-tile .ico.do { background:linear-gradient(135deg,#7c3aed,#6d28d9); }
.legend-tile .ico.see { background:linear-gradient(135deg,#ea580c,#c2410c); }
.legend-tile .ico.note { background:linear-gradient(135deg,#f59e0b,#b45309); }
.legend-tile .ico.q { background:linear-gradient(135deg,#9333ea,#6b21a8); }
.legend-tile h5 {
  font-size:12.5px; font-weight:800;
  color:#0f172a;
  margin-bottom:3px;
  letter-spacing:-.2px;
}
.legend-tile p {
  font-size:11.5px;
  color:#64748b;
  line-height:1.45;
  margin:0;
}

/* step list */
ul.step-list {
  list-style:none;
  margin:14px 0;
  padding:0;
  display:flex; flex-direction:column;
  gap:10px;
}
ul.step-list li {
  background:#fff;
  border:1px solid #e2e8f0;
  border-left:4px solid #7c3aed;
  border-radius:9px;
  padding:13px 16px 13px 16px;
  font-size:13.5px;
  line-height:1.6;
  color:#334155;
  display:flex; gap:12px;
  align-items:flex-start;
}
ul.step-list li.do { border-left-color:#7c3aed; }
ul.step-list li.see { border-left-color:#ea580c; background:#f0fdfa; }
ul.step-list li.note { border-left-color:#f59e0b; background:#fffbeb; }
ul.step-list li.q { border-left-color:#9333ea; background:#faf5ff; }
ul.step-list li .step-ico {
  width:30px; height:30px;
  border-radius:7px;
  background:#f5f3ff;
  color:#7c3aed;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:13px;
  flex-shrink:0;
}
ul.step-list li.see .step-ico { background:#ffedd5; color:#c2410c; }
ul.step-list li.note .step-ico { background:#fef3c7; color:#854d0e; }
ul.step-list li.q .step-ico { background:#f3e8ff; color:#6b21a8; }
ul.step-list li strong { color:#0f172a; font-weight:700; }
ul.step-list li code {
  font-size:12px;
}
ul.step-list li .body { flex:1; }

/* questions */
.q-list {
  list-style:none;
  margin:12px 0 18px 0;
  padding:0;
  display:flex; flex-direction:column;
  gap:9px;
}
.q-list li {
  display:flex; gap:11px; align-items:flex-start;
  padding:11px 14px;
  background:#faf5ff;
  border:1px solid #e9d5ff;
  border-left:3px solid #9333ea;
  border-radius:8px;
  font-size:13px;
  color:#334155;
  line-height:1.55;
}
.q-list li::before {
  content:"?";
  font-weight:800;
  color:#9333ea;
  background:#f3e8ff;
  border-radius:50%;
  width:24px; height:24px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:13px;
  flex-shrink:0;
}
.q-list li strong { color:#581c87; font-weight:700; }

/* assessment */
.assessment-block {
  background:linear-gradient(135deg,#0f172a,#1e293b);
  color:#fff;
  border-radius:18px;
  padding:36px 40px;
  margin:20px 0 28px 0;
}
.assessment-block h3 {
  color:#fff !important;
  font-size:22px;
  letter-spacing:-.3px;
  margin-bottom:6px;
}
.assessment-block .lead {
  color:rgba(255,255,255,0.7);
  font-size:14px;
  margin-bottom:20px;
}
.mcq {
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:11px;
  padding:18px 20px;
  margin:14px 0;
}
.mcq .mcq-head {
  display:flex; align-items:flex-start; gap:11px;
  margin-bottom:11px;
}
.mcq .mcq-head .badge {
  background:linear-gradient(135deg,#7c3aed,#6d28d9);
  color:#fff;
  font-size:11px;
  font-weight:800;
  padding:3px 10px;
  border-radius:14px;
  letter-spacing:.4px;
  flex-shrink:0;
}
.mcq .mcq-head p {
  color:rgba(255,255,255,0.92);
  font-weight:600;
  font-size:14px;
  margin:0;
}
.mcq ul {
  list-style:none;
  display:flex; flex-direction:column; gap:6px;
  margin:0; padding:0;
}
.mcq ul li {
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:7px;
  padding:8px 13px;
  font-size:13px;
  color:rgba(255,255,255,0.78);
}
.mcq ul li:hover { background:rgba(255,255,255,0.07); border-color:rgba(96,165,250,0.3); }
.mcq ul li b {
  color:#a78bfa;
  margin-right:6px;
}

/* answer key reveal */
details.answer-key {
  background:#fffbeb;
  border:1px solid #fde68a;
  border-radius:12px;
  padding:14px 18px;
  margin:14px 0;
}
details.answer-key summary {
  cursor:pointer;
  font-weight:800;
  color:#854d0e;
  font-size:14px;
  list-style:none;
  display:flex; align-items:center; gap:10px;
}
details.answer-key summary::-webkit-details-marker { display:none; }
details.answer-key summary::before {
  content:"\f06e"; /* fa eye */
  font-family:"Font Awesome 6 Free", "Font Awesome 5 Free";
  font-weight:900;
  color:#ca8a04;
  font-size:14px;
}
details.answer-key[open] summary::before { content:"\f070"; /* eye-slash */ }
details.answer-key .answers { margin-top:14px; font-size:13px; line-height:1.65; color:#7c4a02; }
details.answer-key .answers p { margin:6px 0; }
details.answer-key .answers strong { color:#854d0e; font-weight:700; }

/* ── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns:1fr; gap:32px; }
  .hero h1 { font-size:42px; }
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .land-cards { grid-template-columns:1fr; }
  .quick-rows { grid-template-columns:1fr; }
  .legend-grid { grid-template-columns:repeat(2,1fr); }
  .doc-shell { grid-template-columns:1fr; }
  .doc-sidebar {
    position:relative;
    height:auto;
    top:0;
    border-right:none;
    border-bottom:1px solid #e2e8f0;
  }
  .doc-main .section { padding:36px 26px; }
  .doc-main .toc-page { padding:36px 26px; }
}

@media (max-width: 720px) {
  .site-nav { padding:0 14px; gap:10px; }
  .site-nav-meta { display:none; }
  .site-nav-links a span { display:none; }
  .site-nav-brand-text .small { display:none; }
  .hero h1 { font-size:34px; }
  .hero p.lead { font-size:15px; }
  .features-grid { grid-template-columns:1fr; }
  .legend-grid { grid-template-columns:1fr; }
  .doc-main .section { padding:28px 18px; }
  .land-section { padding:48px 18px; }
}

/* small print friendly */
@media print {
  .site-nav, .read-progress, .back-top, .doc-sidebar { display:none !important; }
  .with-nav { padding-top:0; }
  .doc-main .section { padding:30px 20px; }
}