/* =====================================================================
   HGV Theory Pass — "Haulage / Heavy Goods"
   Dark asphalt grounds · hi-vis amber primary · safety-orange accent
   Oswald (condensed industrial display) + Inter (humanist body)
   Signature motifs: HGV silhouette · road-with-dashes divider ·
   diagonal hazard chevron · gauge accents
   Dark is the lead theme; light is a clean steel/concrete daylight mode.
   ===================================================================== */

/* ---------- Design tokens: LIGHT (steel / concrete daylight) ---------- */
:root {
  --bg:          #e9edf2;
  --surface:     #ffffff;
  --surface-2:   #f2f5f9;
  --surface-sunk:#e4e9ef;

  --text:        #151922;
  --text-muted:  #4a5462;
  --text-faint:  #78828f;

  --amber:       #ff9e00;
  --amber-strong:#ef8a00;
  --amber-bright:#ffb52e;
  --orange:      #ef5a1f;
  --orange-strong:#d94a12;

  --primary:     var(--amber);
  --primary-600: var(--amber-strong);
  --primary-700: #cf7400;
  --on-primary:  #17130a;              /* dark ink on hi-vis amber */
  --accent:      var(--orange);
  --accent-600:  var(--orange-strong);
  --ink-accent:  #a85a00;              /* amber as readable text on light */

  --line:        rgba(21,25,34,.10);
  --line-strong: rgba(255,158,0,.55);  /* amber hairline for framed accents */
  --border:      #d7dde5;
  --border-2:    #c4ccd6;

  --ok:          #158a4b;
  --ok-bg:       rgba(21,138,75,.10);
  --bad:         #d92d20;
  --bad-bg:      rgba(217,45,32,.09);
  --warn:        #b7791f;

  --ring:        #b45309;              /* focus ring */

  --asphalt:     #14171d;              /* fixed dark used in motifs */

  --shadow-sm:   0 1px 2px rgba(15,20,30,.08);
  --shadow-md:   0 12px 30px -14px rgba(15,20,30,.32);
  --shadow-lg:   0 30px 70px -30px rgba(10,14,22,.5);

  --r-sm: 8px;  --r-md: 12px;  --r-lg: 18px;  --r-xl: 26px;

  --display: "Oswald", "Archivo", Impact, system-ui, sans-serif;
  --sans:    "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --maxw: 1120px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Design tokens: DARK (asphalt night — the lead) ---------- */
[data-theme="dark"] {
  --bg:          #0f1216;
  --surface:     #171b21;
  --surface-2:   #20252e;
  --surface-sunk:#0b0e12;

  --text:        #f3f1ea;
  --text-muted:  #a8aeba;
  --text-faint:  #757c88;

  --amber:       #ffb000;
  --amber-strong:#ff9e00;
  --amber-bright:#ffc551;
  --orange:      #ff6a1a;
  --orange-strong:#ff7d33;

  --primary:     #ffb000;
  --primary-600: #ff9e00;
  --primary-700: #d98400;
  --on-primary:  #14100a;
  --accent:      #ff6a1a;
  --accent-600:  #ff7d33;
  --ink-accent:  #ffc551;              /* amber text on asphalt */

  --line:        rgba(255,176,0,.15);
  --line-strong: rgba(255,176,0,.42);
  --border:      #2a303a;
  --border-2:    #39414d;

  --ok:          #37c46e;
  --ok-bg:       rgba(55,196,110,.14);
  --bad:         #ff5c53;
  --bad-bg:      rgba(255,92,83,.15);
  --warn:        #ffb000;

  --ring:        #ffcf4a;

  --shadow-sm:   0 1px 2px rgba(0,0,0,.5);
  --shadow-md:   0 14px 34px -16px rgba(0,0,0,.7);
  --shadow-lg:   0 34px 74px -34px rgba(0,0,0,.82);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(115% 80% at 50% -12%, rgba(255,176,0,.10), transparent 55%),
    radial-gradient(80% 60% at 100% 4%, rgba(255,106,26,.06), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
}

h1, h2, h3, h4 {
  font-family: var(--display); font-weight: 600; color: var(--text);
  line-height: 1.08; letter-spacing: .002em; margin: 0;
}

a { color: var(--accent); text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
em { font-style: italic; color: var(--ink-accent); }
::selection { background: rgba(255,176,0,.28); color: var(--asphalt); }

/* ---------- Utility state classes (JS-driven) ---------- */
.hidden { display: none !important; }
[hidden] { display: none !important; }

/* ---------- Signature motif: diagonal hazard chevron tape ---------- */
.hazard-tape,
.hazard-strip {
  height: 8px; width: 100%;
  background-image: repeating-linear-gradient(-45deg,
    var(--amber) 0 16px, var(--asphalt) 16px 32px);
  opacity: .9;
}

/* ---------- Signature motif: road with dashed centre line ---------- */
.road-divider {
  height: 22px; margin: clamp(30px, 5vw, 48px) auto;
  max-width: var(--maxw);
  border-radius: 4px;
  background:
    linear-gradient(90deg, transparent, var(--asphalt) 8%, var(--asphalt) 92%, transparent),
    var(--asphalt);
  position: relative; overflow: hidden;
}
.road-divider::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 50%; height: 3px;
  transform: translateY(-50%);
  background-image: repeating-linear-gradient(90deg,
    var(--amber-bright) 0 26px, transparent 26px 52px);
  border-radius: 3px;
}

/* =====================================================================
   Topbar
   ===================================================================== */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 13px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px;
  background-image: repeating-linear-gradient(-45deg,
    var(--amber) 0 12px, transparent 12px 24px);
  opacity: .55;
}

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand .logo { display: inline-flex; filter: drop-shadow(0 2px 5px rgba(0,0,0,.28)); }
.brand .logo svg { display: block; }
.brand h1 {
  font-size: 1.42rem; letter-spacing: .01em; line-height: .98;
  text-transform: uppercase;
}
.brand-pass { color: var(--amber); }
[data-theme="dark"] .brand-pass { color: var(--amber-bright); }
.brand p {
  margin: 3px 0 0; font-family: var(--sans);
  font-size: .7rem; color: var(--text-muted);
  letter-spacing: .06em; text-transform: uppercase;
}

nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav-btn {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-family: var(--sans); font-size: .88rem; font-weight: 600;
  color: var(--text-muted);
  padding: 8px 12px; border-radius: var(--r-sm);
  position: relative;
  transition: color .18s var(--ease), background .18s var(--ease);
}
.nav-btn:hover { color: var(--text); background: var(--surface-2); }
.nav-btn.active { color: var(--ink-accent); }
.nav-btn.active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--amber), var(--orange));
}

.auth-area { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-chip {
  font-size: .82rem; color: var(--text-muted);
  padding: 6px 11px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface);
}
.plan-badge.premium {
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: var(--on-primary); padding: 5px 11px; border-radius: 999px;
  background: linear-gradient(180deg, var(--amber-bright), var(--amber));
  border: 1px solid var(--primary-700);
}
.admin-link { text-decoration: none; }

/* Theme toggle */
.theme-toggle {
  appearance: none; cursor: pointer;
  width: 40px; height: 40px; border-radius: var(--r-sm);
  border: 1px solid var(--border-2); background: var(--surface);
  color: var(--text); font-size: 1rem; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.theme-toggle:hover { border-color: var(--amber); transform: translateY(-1px); }
.theme-ico { display: none; }
[data-theme="light"] .theme-ico-moon { display: inline; }
[data-theme="dark"]  .theme-ico-sun  { display: inline; }

/* =====================================================================
   Buttons
   ===================================================================== */
.btn {
  appearance: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-size: .95rem; font-weight: 700;
  letter-spacing: .01em;
  padding: 12px 22px; min-height: 44px; border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: transform .16s var(--ease), box-shadow .18s var(--ease),
              background .18s var(--ease), border-color .18s var(--ease);
  text-decoration: none;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.btn-sm { padding: 8px 14px; min-height: 38px; font-size: .85rem; }

.btn.primary {
  background: linear-gradient(180deg, var(--amber-bright), var(--primary));
  color: var(--on-primary);
  border-color: var(--primary-700);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn.primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -12px rgba(255,158,0,.6), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn.primary:active:not(:disabled) { transform: translateY(0); }

.btn.ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-2);
}
.btn.ghost:hover:not(:disabled) { border-color: var(--amber); background: var(--surface-2); transform: translateY(-1px); }

.btn:focus-visible,
.nav-btn:focus-visible,
.theme-toggle:focus-visible,
.option:focus-visible,
.linklike:focus-visible,
.pw-toggle:focus-visible,
.foot-link:focus-visible,
.lp-faq summary:focus-visible,
.trade-card:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.linklike {
  appearance: none; border: 0; background: none; cursor: pointer;
  color: var(--accent); font: inherit; font-weight: 700;
  padding: 0; text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
}
.linklike:hover { color: var(--accent-600); }

.back {
  appearance: none; border: 0; background: none; cursor: pointer;
  color: var(--text-muted); font-family: var(--sans); font-size: .9rem; font-weight: 600;
  padding: 6px 2px; margin-bottom: 8px;
  transition: color .16s var(--ease);
}
.back:hover { color: var(--ink-accent); }

/* Spinner */
.btn-spin {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  display: inline-block; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =====================================================================
   App shell / views
   ===================================================================== */
#app {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 44px) clamp(16px, 4vw, 40px) 72px;
}
.view { display: none; animation: viewIn .38s var(--ease); }
.view.active { display: block; }
@keyframes viewIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.section-title {
  font-size: 1rem; letter-spacing: .14em; text-transform: uppercase;
  font-family: var(--sans); font-weight: 700; color: var(--text-muted);
  display: flex; align-items: center; gap: 14px;
  margin: 34px 0 18px;
}
.section-title::after {
  content: ""; flex: 1; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.view-intro { color: var(--text-muted); max-width: 64ch; margin: 6px 0 20px; }
.view h2 { font-size: clamp(1.9rem, 4.4vw, 2.6rem); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .005em; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow-md);
  position: relative;
}
.hero > * { position: relative; z-index: 1; }
.hero h2 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; text-transform: uppercase; }
.hero p { color: var(--text-muted); font-size: 1.06rem; max-width: 62ch; margin: 0; }
.hero strong { color: var(--text); }

/* Landing hero — asphalt slab with amber frame + hazard accent */
.hero-trades {
  text-align: center;
  padding: clamp(36px, 6vw, 68px) clamp(22px, 5vw, 60px);
  overflow: hidden;
  border-color: var(--border-2);
  box-shadow: var(--shadow-lg);
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(255,176,0,.14), transparent 58%),
    var(--surface);
}
[data-theme="dark"] .hero-trades {
  background:
    radial-gradient(120% 90% at 50% -8%, rgba(255,176,0,.16), transparent 60%),
    linear-gradient(180deg, #1a1f27, #12161c);
}
/* amber double-rule frame */
.hero-trades::after {
  content: ""; position: absolute; inset: 12px;
  border: 1px solid var(--line-strong); border-radius: calc(var(--r-xl) - 10px);
  pointer-events: none; z-index: 1;
}
/* top hazard chevron accent */
.hero-trades::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px; z-index: 2;
  background-image: repeating-linear-gradient(-45deg,
    var(--amber) 0 16px, var(--asphalt) 16px 32px);
}
.hero-trades h2, .hero-trades p { margin-left: auto; margin-right: auto; }
.hero-trades h2 .hl { color: var(--amber); display: inline-block; }
[data-theme="dark"] .hero-trades h2 .hl { color: var(--amber-bright); }
.hero-trades > p { font-size: 1.12rem; }
.hero-eyebrow {
  display: inline-block;
  font-family: var(--sans); font-size: .72rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-accent);
  padding: 6px 14px; margin-bottom: 6px;
  border: 1px solid var(--line-strong); border-radius: 999px;
}

/* Hero lorry graphic */
.hero-rig { display: block; margin: 26px auto 6px; color: var(--amber); line-height: 0; }
[data-theme="dark"] .hero-rig { color: var(--amber); }
.hero-rig .rig-svg { width: min(560px, 100%); height: auto; filter: drop-shadow(0 10px 18px rgba(0,0,0,.28)); }
.rig-speed { fill: currentColor; opacity: .38; }

/* Hero stat trio */
.hero-stats {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 0; margin: 8px auto 4px; max-width: 560px;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  overflow: hidden;
}
.hstat { flex: 1 1 120px; padding: 16px 12px; text-align: center; }
.hstat + .hstat { border-left: 1px solid var(--line); }
.hstat b {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1; color: var(--ink-accent);
  font-variant-numeric: tabular-nums;
}
.hstat span { display: block; margin-top: 6px; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); }

.hero-foot {
  margin: 20px 0 0 !important; font-size: .8rem !important; color: var(--text-faint) !important;
  letter-spacing: .03em;
}

/* CTA row */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* =====================================================================
   Trade card (landing CTA) — the loading dock plate
   ===================================================================== */
.trade-grid, .cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.trade-card {
  appearance: none; cursor: pointer; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 34px 26px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  font-family: var(--sans);
}
/* hazard accent along the top of the plate */
.trade-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 6px;
  background-image: repeating-linear-gradient(-45deg,
    var(--amber) 0 12px, var(--asphalt) 12px 24px);
  opacity: .85;
}
.trade-card.live:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--amber); }
.trade-card.soon { opacity: .72; cursor: default; }
.trade-card:disabled { cursor: default; }

.trade-icon {
  font-size: 2rem; line-height: 1;
  width: 76px; height: 76px; border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 0 4px var(--surface), var(--shadow-sm);
  margin-top: 4px;
}
.trade-name { font-family: var(--display); font-size: 1.55rem; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: .01em; }
.trade-tagline { color: var(--text-muted); font-size: 1rem; max-width: 30ch; }
.trade-badge {
  margin-top: 6px;
  font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px;
}
.trade-badge.live {
  color: var(--on-primary);
  background: linear-gradient(180deg, var(--amber-bright), var(--primary));
  box-shadow: var(--shadow-sm);
}
.trade-badge.soon {
  color: var(--text-muted);
  background: var(--surface-2); border: 1px solid var(--border);
}

/* =====================================================================
   Cards (mock, setup, generic)
   ===================================================================== */
.card, .mock-card, .setup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.mock-card {
  display: flex; flex-direction: column;
  border-top: 3px solid var(--amber);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.mock-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.mock-card h4 { font-size: 1.4rem; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .01em; }
.mock-card p { color: var(--text-muted); margin: 0 0 18px; font-size: .95rem; }

.exam-facts { list-style: none; margin: 0 0 20px; padding: 16px 0; display: flex; gap: 8px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.exam-facts li { flex: 1; text-align: center; display: flex; flex-direction: column; gap: 3px; }
.exam-facts li + li { border-left: 1px solid var(--line); }
.exam-facts span { font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); }
.exam-facts b { font-family: var(--display); font-size: 1.4rem; font-weight: 600; color: var(--text); }
.mock-card .btn { margin-top: auto; width: 100%; }

.trust-note {
  color: var(--ok); font-size: .92rem; font-weight: 600;
  background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  padding: 10px 16px; border-radius: var(--r-md); display: inline-block;
}

/* Setup form */
.setup-card { max-width: 520px; display: flex; flex-direction: column; gap: 18px; }
.setup-card small { color: var(--text-muted); margin-top: -6px; }

label { display: flex; flex-direction: column; gap: 7px; font-size: .9rem; font-weight: 600; color: var(--text-muted); }
input, select {
  font-family: var(--sans); font-size: 1rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-2); border-radius: var(--r-sm);
  padding: 12px 14px; width: 100%; min-height: 44px;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
input:focus, select:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(255,176,0,.2); }
select { cursor: pointer; }

/* =====================================================================
   Browse / Question Bank
   ===================================================================== */
.browse-controls { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0 14px; }
.browse-controls input[type="search"] { flex: 2 1 260px; }
.browse-controls select { flex: 1 1 180px; }
.browse-count { color: var(--text-faint); font-size: .85rem; margin-bottom: 14px; letter-spacing: .01em; }
.browse-list { display: grid; gap: 14px; }

.browse-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  border-left: 3px solid var(--amber);
  padding: 20px 22px; box-shadow: var(--shadow-sm);
}
.bi-q { font-family: var(--display); font-size: 1.24rem; font-weight: 600; color: var(--text); margin-bottom: 10px; line-height: 1.25; }
.bi-a { margin-bottom: 8px; color: var(--text); font-weight: 500; }
.bi-label {
  font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700;
  color: var(--ok); margin-right: 6px;
}
.bi-expl { color: var(--text-muted); font-size: .95rem; line-height: 1.55;
  padding-top: 8px; border-top: 1px dashed var(--line); }
.ai-note {
  font-size: .68rem; color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
  padding: 1px 7px; border-radius: 999px; margin-left: 4px; letter-spacing: .04em;
}
.bi-tags, .review-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.topic-tag, .reg-tag {
  font-size: .74rem; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted);
}
.reg-tag { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 32%, transparent); }
.q-image { margin: 12px 0; }
.q-image img { max-width: 100%; border-radius: var(--r-sm); border: 1px solid var(--border); }

.browse-more-wrap { text-align: center; margin-top: 22px; }
.browse-empty { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.browse-empty-ico { font-size: 2.6rem; color: var(--amber); }
.browse-empty-title { font-family: var(--display); font-size: 1.4rem; color: var(--text); margin: 10px 0 4px; text-transform: uppercase; }
.browse-empty-sub { font-size: .92rem; }

/* =====================================================================
   Quiz
   ===================================================================== */
.quiz-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.quiz-header .back { margin: 0; }
.progress-wrap { flex: 1; display: flex; align-items: center; gap: 12px; min-width: 180px; }
.progress-bar { flex: 1; height: 10px; border-radius: 999px; background: var(--surface-sunk);
  border: 1px solid var(--line); overflow: hidden; }
#progress-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  border-radius: 999px; transition: width .35s var(--ease);
}
#progress-fill.full { background: linear-gradient(90deg, var(--amber), var(--amber-bright)); }
#progress-text { font-family: var(--display); font-size: 1rem; font-weight: 600; color: var(--text-muted);
  font-variant-numeric: tabular-nums; white-space: nowrap; }

.timer {
  font-family: var(--display); font-weight: 700; font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  padding: 6px 16px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--border-2); color: var(--text);
}
.timer.warn { color: #fff; background: var(--bad); border-color: var(--bad); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .72; } }

.question-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: clamp(22px, 4vw, 36px); box-shadow: var(--shadow-md);
  border-top: 3px solid var(--amber);
}
.q-source { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px; }
.q-text { font-family: var(--display); font-size: clamp(1.35rem, 3vw, 1.7rem); font-weight: 600; line-height: 1.22; color: var(--text); margin-bottom: 22px; }

.options { display: grid; gap: 12px; }
.option {
  appearance: none; cursor: pointer; text-align: left;
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; width: 100%; min-height: 44px;
  background: var(--bg); border: 1px solid var(--border-2); border-radius: var(--r-md);
  font-family: var(--sans); font-size: 1rem; color: var(--text);
  transition: border-color .16s var(--ease), background .16s var(--ease), transform .12s var(--ease);
}
.option:hover:not(.disabled) { border-color: var(--amber); transform: translateY(-1px); }
.letter {
  flex: none; width: 34px; height: 34px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  background: var(--surface-2); border: 1px solid var(--line-strong); color: var(--text-muted);
  transition: inherit;
}
.option.selected { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, var(--bg)); }
.option.selected .letter { background: var(--amber); border-color: var(--amber); color: var(--on-primary); }
.option.disabled { cursor: default; }
.option.correct { border-color: var(--ok); background: var(--ok-bg); }
.option.correct .letter { background: var(--ok); border-color: var(--ok); color: #fff; }
.option.incorrect { border-color: var(--bad); background: var(--bad-bg); }
.option.incorrect .letter { background: var(--bad); border-color: var(--bad); color: #fff; }

.feedback { margin-top: 20px; padding: 18px 20px; border-radius: var(--r-md);
  background: var(--surface-2); border: 1px solid var(--line);
  animation: viewIn .3s var(--ease); }
.verdict { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-bottom: 6px; text-transform: uppercase; }
.verdict.right { color: var(--ok); }
.verdict.wrong { color: var(--bad); }
.expl, .rexpl { color: var(--text-muted); font-size: .96rem; line-height: 1.55; }

.quiz-nav { display: flex; gap: 12px; margin-top: 24px; }
.quiz-nav .btn { flex: 1; }
#prev-q { flex: 0 0 auto; }

/* =====================================================================
   Results
   ===================================================================== */
.score-summary {
  text-align: center; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: clamp(28px, 5vw, 44px); box-shadow: var(--shadow-md);
  margin-bottom: 24px; position: relative; border-top: 3px solid var(--amber);
}
.score-ring {
  --rc: var(--ok);
  width: 156px; height: 156px; border-radius: 50%;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 2.6rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--rc);
  background: var(--surface);
  border: 4px solid var(--rc);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--rc) 14%, transparent),
              inset 0 0 0 6px color-mix(in srgb, var(--rc) 8%, transparent);
}
.score-ring.pass { --rc: var(--ok); }
.score-ring.fail { --rc: var(--bad); }
.score-summary .sub { color: var(--text-muted); font-size: 1.02rem; }
.score-summary .sub .pass, .hist-score.pass, b.pass { color: var(--ok); }
.score-summary .sub .fail, .hist-score.fail, b.fail { color: var(--bad); }

/* Topic breakdown bars */
.topic-breakdown { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); text-align: left; }
.topic-breakdown h4 { font-size: 1.2rem; margin-bottom: 16px; text-transform: uppercase; }
.topic-row { display: grid; grid-template-columns: minmax(96px, 1.3fr) 3fr auto; align-items: center; gap: 12px; margin-bottom: 12px; }
.topic-name { font-size: .9rem; color: var(--text); font-weight: 600; }
.topic-bar { height: 10px; border-radius: 999px; background: var(--surface-sunk); border: 1px solid var(--line); overflow: hidden; }
.topic-fill { height: 100%; border-radius: 999px; transition: width .5s var(--ease); }
.topic-fill.strong { background: linear-gradient(90deg, var(--ok), #6fe0a0); }
.topic-fill.ok { background: linear-gradient(90deg, var(--amber), var(--amber-bright)); }
.topic-fill.weak { background: linear-gradient(90deg, var(--accent), var(--accent-600)); }
.topic-pct { font-family: var(--display); font-weight: 600; font-size: .95rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.topic-pct.strong { color: var(--ok); } .topic-pct.ok { color: var(--warn); } .topic-pct.weak { color: var(--bad); }
.topic-pct small { color: var(--text-faint); font-family: var(--sans); font-weight: 400; }
.topic-tip { margin: 16px 0 0; font-size: .92rem; color: var(--text-muted); }
.topic-tip strong { color: var(--accent); }
.topic-tip.good strong, .topic-tip.good { color: var(--ok); }

.results-upsell {
  margin-top: 20px; padding: 18px; border-radius: var(--r-md);
  background: var(--surface-2); border: 1px dashed var(--line-strong); text-align: center;
}
.results-upsell p { margin: 0 0 12px; color: var(--text-muted); }

.results-review { display: grid; gap: 12px; }
.review-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  border-left: 3px solid var(--border-2); padding: 16px 18px;
}
.review-item.right { border-left-color: var(--ok); }
.review-item.wrong { border-left-color: var(--bad); }
.rq { font-family: var(--display); font-weight: 600; font-size: 1.08rem; color: var(--text); margin-bottom: 6px; }
.ra { font-size: .92rem; color: var(--text-muted); margin-bottom: 6px; }
.ra b { color: var(--text); }
.review-item.right .ra { color: var(--ok); } .review-item.wrong .ra { color: var(--bad); }

/* =====================================================================
   Upgrade / paywall
   ===================================================================== */
.upgrade-card {
  max-width: 560px; margin: 0 auto; text-align: center;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--r-xl); padding: clamp(30px, 5vw, 48px);
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.upgrade-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px;
  background-image: repeating-linear-gradient(-45deg,
    var(--amber) 0 16px, var(--asphalt) 16px 32px);
}
.upgrade-card > * { position: relative; }
.upgrade-badge {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--on-primary);
  background: linear-gradient(180deg, var(--amber-bright), var(--amber));
  border: 1px solid var(--primary-700);
  padding: 7px 16px; border-radius: 999px; margin: 6px 0 18px;
}
.upgrade-card h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); text-transform: uppercase; }
.upgrade-price { margin: 14px 0 4px; }
.up-amount { font-family: var(--display); font-size: 3.2rem; font-weight: 700; color: var(--ink-accent); }
.up-per { color: var(--text-muted); font-size: 1rem; margin-left: 4px; }
.upgrade-sub { color: var(--text-muted); margin: 0 0 22px; }
.upgrade-list { list-style: none; margin: 0 0 26px; padding: 0; text-align: left; display: grid; gap: 12px; }
.upgrade-list li { position: relative; padding-left: 32px; color: var(--text); }
.upgrade-list li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
  color: var(--on-primary); background: var(--amber);
}
.upgrade-cta { width: 100%; padding: 15px; font-size: 1.02rem; }
.upgrade-note { margin: 12px 0 0; font-size: .88rem; color: var(--text-muted); }
.upgrade-note.is-error { color: var(--bad); }

/* =====================================================================
   Dashboard
   ===================================================================== */
.dash-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  border-top: 3px solid var(--amber);
  padding: 20px 18px; text-align: center; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 6px;
}
.stat span { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); }
.stat b { font-family: var(--display); font-size: 2.1rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.dash-empty { background: var(--surface); border: 1px dashed var(--border-2); border-radius: var(--r-md);
  padding: 32px; text-align: center; color: var(--text-muted); }

.dash-history { display: grid; gap: 10px; }
.hist-row {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  border-left: 3px solid var(--border-2); padding: 14px 18px;
}
.hist-row.right { border-left-color: var(--ok); }
.hist-row.wrong { border-left-color: var(--bad); }
.hist-main { display: flex; align-items: center; gap: 10px; }
.hist-mode { font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 700;
  color: var(--text-muted); background: var(--surface-2); border: 1px solid var(--border);
  padding: 3px 9px; border-radius: 999px; }
.hist-exam { font-family: var(--display); font-weight: 600; color: var(--text); }
.hist-meta { display: flex; align-items: center; gap: 14px; }
.hist-when { font-size: .82rem; color: var(--text-faint); }
.hist-score { font-family: var(--display); font-weight: 700; font-variant-numeric: tabular-nums; }
.muted-line { color: var(--text-muted); }

/* =====================================================================
   Modal (auth / reset)
   ===================================================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(6,8,11,.6); backdrop-filter: blur(4px);
  animation: viewIn .2s var(--ease);
}
.modal {
  position: relative; width: 100%; max-width: 420px;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--r-lg); padding: 30px;
  box-shadow: var(--shadow-lg); border-top: 4px solid var(--amber);
}
.modal h3 { font-size: 1.55rem; margin-bottom: 18px; text-transform: uppercase; }
.modal form { display: flex; flex-direction: column; gap: 15px; }
.modal-close {
  position: absolute; top: 12px; right: 14px;
  appearance: none; border: 0; background: none; cursor: pointer;
  font-size: 1.6rem; line-height: 1; color: var(--text-faint);
  width: 36px; height: 36px; border-radius: var(--r-sm);
  transition: color .15s var(--ease), background .15s var(--ease);
}
.modal-close:hover { color: var(--text); background: var(--surface-2); }
.pw-wrap { position: relative; display: flex; }
.pw-wrap input { padding-right: 44px; }
.pw-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  appearance: none; border: 0; background: none; cursor: pointer; font-size: 1.05rem;
  width: 34px; height: 34px; border-radius: var(--r-sm); }
.auth-error, .auth-ok {
  font-size: .88rem; padding: 10px 12px; border-radius: var(--r-sm); margin: 0;
}
.auth-error { color: var(--bad); background: var(--bad-bg); border: 1px solid color-mix(in srgb, var(--bad) 30%, transparent); }
.auth-ok { color: var(--ok); background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.modal .btn.primary { width: 100%; margin-top: 4px; }
.auth-forgot, .auth-switch { text-align: center; font-size: .9rem; color: var(--text-muted); margin: 14px 0 0; }
.auth-switch { margin-top: 8px; }

/* =====================================================================
   Landing marketing sections
   ===================================================================== */

/* Trust strip */
.lp-trust {
  list-style: none; margin: 4px 0 0; padding: 16px 8px;
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 10px 26px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.lp-trust li {
  position: relative; font-size: .8rem; font-weight: 700; letter-spacing: .04em;
  color: var(--text-muted); text-transform: uppercase;
}
.lp-trust li::before {
  content: "›"; color: var(--amber); font-weight: 700; font-size: 1em;
  position: absolute; left: -18px; top: 50%; transform: translateY(-52%);
}
.lp-trust li:first-child::before { content: none; }

/* Section rhythm + heads */
.lp-section { margin-top: clamp(52px, 8vw, 92px); }
.lp-start { margin-top: clamp(40px, 6vw, 64px); }
.lp-head { max-width: 64ch; margin: 0 auto clamp(26px, 4vw, 40px); text-align: center; }
.lp-eyebrow {
  display: inline-block; font-size: .72rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: var(--ink-accent);
  padding: 5px 13px; margin-bottom: 14px;
  border: 1px solid var(--line-strong); border-radius: 999px;
}
.lp-head h3 { font-size: clamp(1.7rem, 4vw, 2.4rem); text-wrap: balance; text-transform: uppercase; }
.lp-head p { color: var(--text-muted); margin: 14px auto 0; max-width: 62ch; font-size: 1.04rem; }

/* Why cards */
.lp-why { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.lp-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.lp-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--amber); }
.lp-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; border-radius: var(--r-md); margin-bottom: 16px;
  color: var(--on-primary);
  background: linear-gradient(180deg, var(--amber-bright), var(--amber));
  border: 1px solid var(--primary-700);
  box-shadow: var(--shadow-sm);
}
.lp-card h4 { font-size: 1.3rem; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .01em; }
.lp-card p { color: var(--text-muted); font-size: .95rem; line-height: 1.55; margin: 0; }

/* How it works */
.lp-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr);
}
.lp-steps li {
  position: relative; text-align: center; padding: 8px 12px 0;
}
.lp-steps li::before {
  content: ""; position: absolute; top: 30px; left: 50%; width: 100%; height: 3px;
  background-image: repeating-linear-gradient(90deg, var(--amber-bright) 0 14px, transparent 14px 28px);
  opacity: .5; z-index: 0;
}
.lp-steps li:last-child::before { display: none; }
.lp-step-no {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; justify-content: center;
  width: 58px; height: 58px; border-radius: var(--r-md); margin-bottom: 16px;
  font-family: var(--display); font-weight: 700; font-size: 1.6rem;
  color: var(--on-primary);
  background: linear-gradient(180deg, var(--amber-bright), var(--primary));
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--line-strong), var(--shadow-sm);
}
.lp-steps h4 { font-size: 1.2rem; margin-bottom: 6px; text-transform: uppercase; }
.lp-steps p { color: var(--text-muted); font-size: .94rem; margin: 0 auto; max-width: 30ch; }

/* Sample question */
.sample-q {
  max-width: 720px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--amber);
  border-radius: var(--r-lg); padding: clamp(24px, 4vw, 36px); box-shadow: var(--shadow-md);
}
.sample-tag { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; }
.sample-text { font-family: var(--display); font-size: clamp(1.3rem, 3vw, 1.55rem); font-weight: 600; line-height: 1.24; color: var(--text); margin: 0 0 20px; }
.sample-options { display: grid; gap: 11px; }
.sq-option {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; border-radius: var(--r-md);
  background: var(--bg); border: 1px solid var(--border-2); color: var(--text); font-size: 1rem;
}
.sq-letter {
  flex: none; width: 32px; height: 32px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; font-size: .95rem;
  background: var(--surface-2); border: 1px solid var(--line-strong); color: var(--text-muted);
}
.sq-option.is-correct { border-color: var(--ok); background: var(--ok-bg); }
.sq-option.is-correct .sq-letter { background: var(--ok); border-color: var(--ok); color: #fff; }
.sq-mark { margin-left: auto; color: var(--ok); font-weight: 700; font-size: 1.05rem; }
.sample-expl {
  margin-top: 18px; padding: 16px 18px; border-radius: var(--r-md);
  background: var(--surface-2); border: 1px solid var(--line);
  color: var(--text-muted); font-size: .95rem; line-height: 1.55;
}
.sample-expl strong { color: var(--ok); }

/* Stats band */
.lp-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-sm);
  position: relative;
}
.lp-stats::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px;
  background-image: repeating-linear-gradient(-45deg, var(--amber) 0 12px, var(--asphalt) 12px 24px);
  opacity: .8; z-index: 1;
}
.lp-stat { text-align: center; padding: clamp(24px, 4vw, 36px) 16px; }
.lp-stat + .lp-stat { border-left: 1px solid var(--line); }
.lp-stat b {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3rem); color: var(--ink-accent); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.lp-stat b i { font-style: normal; font-size: .42em; color: var(--text-muted); margin-left: 2px; }
.lp-stat span { display: block; margin-top: 10px; font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-faint); }

/* Pricing teaser */
.lp-price-card {
  max-width: 880px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 0;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg);
}
.lp-price-main {
  padding: clamp(28px, 4vw, 42px); text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border-right: 1px solid var(--line);
}
[data-theme="dark"] .lp-price-main { background: linear-gradient(180deg, #1b2029, var(--surface)); }
.lp-plan-badge {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--on-primary); background: linear-gradient(180deg, var(--amber-bright), var(--amber));
  border: 1px solid var(--primary-700); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.lp-price { margin: 0 0 6px; }
.lp-price-amt { font-family: var(--display); font-size: clamp(2.8rem, 6vw, 3.6rem); font-weight: 700; color: var(--ink-accent); }
.lp-price-per { color: var(--text-muted); font-size: 1rem; margin-left: 4px; }
.lp-price-sub { color: var(--text-muted); font-size: .9rem; margin: 0 0 22px; }
.lp-price-sub strong { color: var(--text); }
.lp-price-cta { width: 100%; max-width: 260px; }
.lp-price-list { list-style: none; margin: 0; padding: clamp(28px, 4vw, 42px); display: grid; gap: 14px; align-content: center; }
.lp-price-list li { position: relative; padding-left: 34px; color: var(--text); font-size: .98rem; }
.lp-price-list li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  width: 23px; height: 23px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700; color: var(--on-primary); background: var(--amber);
}

/* FAQ */
.lp-faq { max-width: 760px; margin: 0 auto; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.lp-faq details { border-bottom: 1px solid var(--line); }
.lp-faq details:last-child { border-bottom: 0; }
.lp-faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 20px 52px 20px 22px;
  font-family: var(--display); font-weight: 600; font-size: 1.14rem; color: var(--text);
  text-transform: uppercase; letter-spacing: .01em;
  transition: background .16s var(--ease);
}
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary:hover { background: var(--surface-2); }
.faq-plus { position: absolute; right: 22px; top: 22px; width: 16px; height: 16px; }
.faq-plus::before, .faq-plus::after {
  content: ""; position: absolute; background: var(--amber); border-radius: 2px;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}
.faq-plus::before { left: 0; top: 7px; width: 16px; height: 2px; }
.faq-plus::after { left: 7px; top: 0; width: 2px; height: 16px; }
.lp-faq details[open] .faq-plus::after { transform: rotate(90deg); opacity: 0; }
.faq-body { padding: 0 22px 20px; color: var(--text-muted); font-size: .96rem; line-height: 1.6; max-width: 70ch; }
.lp-faq details[open] .faq-body { animation: viewIn .3s var(--ease); }

/* Final CTA band */
.lp-cta-band {
  text-align: center; border-radius: var(--r-xl);
  padding: clamp(36px, 6vw, 60px) clamp(24px, 5vw, 48px);
  background:
    radial-gradient(120% 130% at 50% -20%, rgba(255,176,0,.22), transparent 62%),
    linear-gradient(180deg, #1c2129, #14171d);
  border: 1px solid #2a303a;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.lp-cta-band::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px;
  background-image: repeating-linear-gradient(-45deg, var(--amber) 0 16px, #14171d 16px 32px);
}
.lp-cta-band::after {
  content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,176,0,.32);
  border-radius: calc(var(--r-xl) - 10px); pointer-events: none;
}
.lp-cta-band > * { position: relative; }
.cta-rig { display: block; margin: 4px auto 10px; color: var(--amber); line-height: 0; }
.cta-rig .rig-svg { filter: drop-shadow(0 6px 12px rgba(0,0,0,.4)); }
.lp-cta-band h3 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.4rem); text-transform: uppercase; }
.lp-cta-band p { color: rgba(243,241,234,.82); margin: 12px auto 24px; max-width: 54ch; }
.lp-band-cta {
  background: linear-gradient(180deg, var(--amber-bright), var(--amber)); color: var(--on-primary);
  border-color: var(--primary-700); padding: 14px 30px; font-size: 1rem;
}
.lp-band-cta:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(255,176,0,.6); }

/* =====================================================================
   Footer
   ===================================================================== */
.foot {
  max-width: var(--maxw); margin: 40px auto 0; padding: clamp(32px, 5vw, 48px) clamp(16px, 4vw, 40px) 48px;
  border-top: 1px solid var(--line); position: relative;
}
.foot::before {
  content: ""; position: absolute; left: clamp(16px,4vw,40px); right: clamp(16px,4vw,40px); top: -1px; height: 3px;
  background-image: repeating-linear-gradient(-45deg, var(--amber) 0 12px, transparent 12px 24px);
  opacity: .5;
}
.foot-top {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px 40px; margin-bottom: 30px;
}
.foot-brand { display: flex; gap: 14px; align-items: flex-start; max-width: 44ch; }
.foot-logo { flex: none; filter: drop-shadow(0 2px 4px rgba(0,0,0,.28)); line-height: 0; }
.foot-brand strong { font-family: var(--display); font-size: 1.25rem; color: var(--text); text-transform: uppercase; }
.foot-brand p { color: var(--text-muted); font-size: .9rem; line-height: 1.55; margin: 4px 0 0; max-width: none; }
.foot-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.foot-col { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.foot-col h5 {
  font-family: var(--sans); font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-faint); margin: 0 0 4px;
}
.foot-link {
  appearance: none; border: 0; background: none; cursor: pointer; padding: 0;
  font-family: var(--sans); font-size: .92rem; color: var(--text-muted); text-align: left;
  transition: color .16s var(--ease);
}
.foot-link:hover { color: var(--ink-accent); }
.foot-legal { color: var(--text-faint); font-size: .8rem; line-height: 1.6; max-width: 92ch; margin: 0; padding-top: 22px; border-top: 1px solid var(--line); }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 720px) {
  .topbar { gap: 10px 14px; padding: 12px 16px; }
  .brand p { display: none; }
  nav { order: 3; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }
  .nav-btn { white-space: nowrap; }
  .quiz-nav { flex-wrap: wrap; }
  .quiz-nav .btn { flex: 1 1 100%; }
  #prev-q { order: 2; }
  .topic-row { grid-template-columns: 1fr auto; }
  .topic-name { grid-column: 1 / -1; }
  .hist-row { flex-direction: column; align-items: flex-start; }

  /* Landing */
  .lp-steps { grid-template-columns: 1fr; gap: 14px; max-width: 420px; margin: 0 auto; }
  .lp-steps li { display: grid; grid-template-columns: 58px 1fr; text-align: left; gap: 4px 16px; padding: 6px 0; align-items: center; }
  .lp-steps li::before { display: none; }
  .lp-step-no { margin-bottom: 0; grid-row: span 2; }
  .lp-steps h4 { align-self: end; }
  .lp-steps p { grid-column: 2; margin: 0; max-width: none; }
  .lp-stats { grid-template-columns: 1fr 1fr; }
  .lp-stat:nth-child(odd) { border-left: 0; }
  .lp-stat:nth-child(even) { border-left: 1px solid var(--line); }
  .lp-stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .lp-price-card { grid-template-columns: 1fr; max-width: 480px; }
  .lp-price-main { border-right: 0; border-bottom: 1px solid var(--line); }
  .foot-top { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 420px) {
  .exam-facts { flex-direction: column; gap: 12px; }
  .exam-facts li + li { border-left: 0; border-top: 1px solid var(--line); padding-top: 12px; }
  .score-ring { width: 132px; height: 132px; font-size: 2.1rem; }
  .hero-stats { max-width: 100%; }
  .hstat { flex: 1 1 33%; padding: 14px 6px; }
  .lp-trust { gap: 8px 18px; }
  .lp-trust li::before { left: -14px; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}