/* ============================================================
   StudyTrain — Neon green tech theme
   Near-black surfaces + neon green accent. Technical sans + monospace.
   ============================================================ */

:root {
  /* Core palette */
  --neon:           #00E676;       /* primary — modern minty neon */
  --neon-deep:      #00C853;       /* hover / pressed */
  --neon-dim:       #00E67633;     /* 20% — soft accents */
  --neon-faint:     #00E67611;     /* 7%  — borders, dividers */

  --ink:            #0A0E14;       /* near-black — primary dark surface */
  --ink-2:          #111827;       /* secondary dark surface */
  --ink-3:          #1F2937;       /* card backgrounds on dark */
  --line-dark:      #1F2937;
  --line-dark-2:    #2A3441;

  --surface:        #ECEFF5;       /* slightly deeper off-white — section background */
  --surface-2:      #FBFCFE;       /* card body — slightly off-white, lifted against surface */
  --text:           #0F172A;       /* slate-900 — body on light */
  --text-soft:      #475569;       /* slate-600 */
  --text-faint:     #94A3B8;       /* slate-400 */
  --text-dark:      #E5E7EB;       /* on dark surfaces */
  --text-dark-soft: #CBD5E1;       /* on dark, secondary — bumped for AA contrast */
  --line:           #E2E8F0;       /* slate-200 */

  --shadow-sm:      0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md:      0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-neon:    0 8px 32px rgba(0, 230, 118, 0.25);
  --radius:         10px;
  --radius-sm:      6px;

  /* Typography — focused technical */
  --sans:  -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "JetBrains Mono", "Fira Code", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

a { color: var(--neon-deep); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--neon); }

/* Screen-reader-only utility (visible to AT, hidden visually) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Accessibility — visible focus ring on all interactives */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.section-kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--neon-deep);
  font-weight: 600;
  margin: 0 0 14px;
}
.section-title {
  font-family: var(--sans);
  font-size: clamp(1.85rem, 3.4vw, 2.45rem);
  margin: 0 0 8px;
  color: var(--text);
  letter-spacing: -0.025em;
  font-weight: 750;
  line-height: 1.1;
}
.section-sub {
  color: var(--text-soft);
  margin: 0 0 36px;
  font-size: 1.04rem;
  max-width: 720px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  color: var(--text-dark);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.015em;
}
.brand:hover { color: var(--text-dark); }
.brand-glyph {
  font-family: var(--mono);
  color: var(--neon);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}
.brand-name { letter-spacing: -0.02em; }
.site-nav a {
  color: var(--text-dark-soft);
  margin-left: 22px;
  font-size: 0.92rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--neon); }
.nav-cta {
  background: var(--neon);
  color: var(--ink) !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--neon-deep); color: var(--ink) !important; }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--text-dark);
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
}
.hero::before {
  /* faint dot grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--neon-faint) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.7;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 56px;
  position: relative;
}
.hero-copy { max-width: 540px; }
.hero-kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  margin: 0 0 22px;
  font-weight: 600;
  color: var(--neon);
}
.hero-title {
  font-family: var(--sans);
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 22px;
  color: #FFFFFF;
}
.hero-offer {
  font-size: 1.05rem;
  color: #FFFFFF;
  margin: 0 0 14px;
  line-height: 1.5;
  max-width: 500px;
}
.hero-offer strong { color: var(--neon); font-weight: 700; }
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-dark-soft);
  margin: 0 0 28px;
  line-height: 1.6;
  max-width: 500px;
}
.hero-cta {
  margin: 0 0 22px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-trust {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dark-soft);
  letter-spacing: 0.04em;
  margin: 0;
}
.hero-trust strong { color: var(--neon); font-weight: 600; }

.hero-art {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark-2);
  box-shadow: var(--shadow-neon);
}
.hero-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
  font-family: var(--sans);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--neon);
  color: var(--ink) !important;
  border-color: var(--neon);
}
.btn-primary:hover { background: var(--neon-deep); border-color: var(--neon-deep); color: var(--ink) !important; }
.btn-ghost {
  background: transparent;
  color: var(--text-dark) !important;
  border: 1px solid var(--line-dark-2);
}
.btn-ghost:hover { border-color: var(--neon); color: var(--neon) !important; }
.btn-buy {
  background: var(--ink);
  color: var(--neon) !important;
  padding: 8px 18px;
  font-size: 0.88rem;
  border: 1px solid var(--neon);
}
.btn-buy:hover { background: var(--neon); color: var(--ink) !important; }
.btn-disabled {
  background: var(--line);
  color: var(--text-faint) !important;
  cursor: not-allowed;
  pointer-events: none;
  border-color: var(--line);
}
/* "Launching soon" non-interactive label — replaces a disabled link */
.btn-soon {
  background: var(--line);
  color: var(--text-soft) !important;
  border: 1px dashed var(--text-faint);
  font-weight: 600;
  cursor: not-allowed;
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.btn-soon.btn-buy-primary {
  background: rgba(0, 230, 118, 0.10);
  color: var(--neon-deep) !important;
  border: 1px dashed var(--neon);
  font-family: var(--sans);
  font-size: 0.9rem;
}

/* Secondary nav button when logged-in */
.nav-cta-secondary {
  background: transparent !important;
  color: var(--text-dark) !important;
  border: 1px solid var(--line-dark-2);
}
.nav-cta-secondary:hover { border-color: var(--neon); color: var(--neon) !important; background: transparent !important; }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }

/* Sign-out button — high-contrast variant for use on light surfaces */
.btn-signout {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  background: var(--ink) !important;
  color: var(--neon) !important;
  border: 1px solid var(--ink);
  transition: background 0.15s, color 0.15s;
}
.btn-signout:hover {
  background: var(--neon) !important;
  color: var(--ink) !important;
  border-color: var(--neon);
  text-decoration: none;
}

/* ---------- Accessibility theme switcher (portal only) ---------- */
.theme-switcher {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-2);
}
.theme-btn {
  background: transparent;
  border: none;
  padding: 6px 10px;
  font-size: 0.95rem;
  color: var(--text-soft);
  cursor: pointer;
  font-family: var(--sans);
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.theme-btn + .theme-btn { border-left: 1px solid var(--line); }
.theme-btn:hover { background: var(--surface); color: var(--text); }
.theme-btn.is-active {
  background: var(--neon);
  color: var(--ink);
}

/* Per-action license expiry line inside the portal cards */
.action-expiry {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}
.action-expiry strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- THEME: DIMMED (warm low-contrast) ---------- */
[data-theme="dimmed"] {
  --surface:        #2A3140;
  --surface-2:      #323A4D;
  --bg:             #232936;
  --text:           #E2E6EF;
  --text-soft:      #A5ADBF;
  --text-faint:     #6B7383;
  --line:           #3F4757;
  --line-dark:      #232936;
  --line-dark-2:    #2A3140;
  --ink:            #14181F;
  --ink-2:          #1B202A;
  --shadow-sm:      0 1px 2px rgba(0,0,0,0.30);
  --shadow-md:      0 10px 30px rgba(0,0,0,0.35);
  --shadow-neon:    0 8px 32px rgba(0, 230, 118, 0.18);
}
[data-theme="dimmed"] body { background: var(--surface); color: var(--text); }
[data-theme="dimmed"] .site-header { background: var(--ink); }
[data-theme="dimmed"] .portal,
[data-theme="dimmed"] .exam,
[data-theme="dimmed"] .content-page,
[data-theme="dimmed"] .auth-page { background: var(--surface); }
[data-theme="dimmed"] .portal-cert,
[data-theme="dimmed"] .portal-action,
[data-theme="dimmed"] .exam-question,
[data-theme="dimmed"] .exam-results,
[data-theme="dimmed"] .content-body,
[data-theme="dimmed"] .content-nav,
[data-theme="dimmed"] .upsell-card,
[data-theme="dimmed"] .mindmap-outline,
[data-theme="dimmed"] .auth-card,
[data-theme="dimmed"] .license-table-wrap { background: var(--surface-2); border-color: var(--line); }
[data-theme="dimmed"] .license-table thead th { background: var(--bg); color: var(--text); }
[data-theme="dimmed"] .q-option label { background: var(--bg); border-color: var(--line); }
[data-theme="dimmed"] .q-feedback-right { background: rgba(0, 230, 118, 0.10); border-color: var(--neon); }
[data-theme="dimmed"] .review-reason,
[data-theme="dimmed"] .portal-tip,
[data-theme="dimmed"] .portal-foot,
[data-theme="dimmed"] .content-sample-tag,
[data-theme="dimmed"] .note-callout { background: var(--bg); }
[data-theme="dimmed"] .prog-dot { background: var(--bg); color: var(--text-soft); border-color: var(--line); }
[data-theme="dimmed"] .prog-done { background: rgba(0, 230, 118, 0.18); color: var(--neon); }
[data-theme="dimmed"] .auth-input { background: var(--bg); color: var(--text); border-color: var(--line); }

/* ---------- THEME: DARK (high-contrast OLED) ---------- */
[data-theme="dark"] {
  --surface:        #0A0E14;
  --surface-2:      #111827;
  --bg:             #050810;
  --text:           #E5E7EB;
  --text-soft:      #94A3B8;
  --text-faint:     #64748B;
  --line:           #1F2937;
  --line-dark:      #0A0E14;
  --line-dark-2:    #1F2937;
  --ink:            #050810;
  --ink-2:          #0A0E14;
  --shadow-sm:      0 1px 2px rgba(0,0,0,0.40);
  --shadow-md:      0 10px 30px rgba(0,0,0,0.50);
  --shadow-neon:    0 8px 32px rgba(0, 230, 118, 0.22);
}
[data-theme="dark"] body { background: var(--surface); color: var(--text); }
[data-theme="dark"] .site-header { background: var(--ink); }
[data-theme="dark"] .portal,
[data-theme="dark"] .exam,
[data-theme="dark"] .content-page,
[data-theme="dark"] .auth-page { background: var(--surface); }
[data-theme="dark"] .portal-cert,
[data-theme="dark"] .portal-action,
[data-theme="dark"] .exam-question,
[data-theme="dark"] .exam-results,
[data-theme="dark"] .content-body,
[data-theme="dark"] .content-nav,
[data-theme="dark"] .upsell-card,
[data-theme="dark"] .mindmap-outline,
[data-theme="dark"] .auth-card,
[data-theme="dark"] .license-table-wrap { background: var(--surface-2); border-color: var(--line); }
[data-theme="dark"] .license-table thead th { background: var(--bg); color: var(--text); }
[data-theme="dark"] .q-option label { background: var(--bg); border-color: var(--line); }
[data-theme="dark"] .review-reason,
[data-theme="dark"] .portal-tip,
[data-theme="dark"] .portal-foot,
[data-theme="dark"] .content-sample-tag,
[data-theme="dark"] .note-callout { background: var(--bg); }
[data-theme="dark"] .prog-dot { background: var(--bg); color: var(--text-soft); border-color: var(--line); }
[data-theme="dark"] .prog-done { background: rgba(0, 230, 118, 0.18); color: var(--neon); }
[data-theme="dark"] .auth-input { background: var(--bg); color: var(--text); border-color: var(--line); }
[data-theme="dark"] .theme-btn:hover { background: var(--bg); }

/* ---------- How it works (4 steps) ---------- */
.how {
  padding: 80px 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  counter-reset: step;
}
.step {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
  transition: border-color 0.18s, transform 0.08s, box-shadow 0.18s;
}
.step:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-deep);
  background: var(--neon-faint);
  display: inline-block;
  padding: 4px 9px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.step h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.015em;
}
.step p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ---------- Certifications — uniform grid, AIGP highlighted in place ---------- */
.certs {
  padding: 80px 0;
  background: var(--surface);
}

/* Uniform cert grid — every card shares the same skeleton so adding new certs is content-only */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 22px;
}
.cert-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
  position: relative;
  overflow: hidden;
}
.cert-card.cert-available {
  border-color: var(--cert-accent, var(--neon));
  box-shadow: 0 8px 28px color-mix(in srgb, var(--cert-accent, var(--neon)) 18%, transparent);
}
.cert-card.cert-available::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cert-accent, var(--neon));
}
.cert-card.cert-coming_soon {
  border-color: var(--line);
}
.cert-card.cert-coming_soon::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cert-accent, var(--neon));
  opacity: 0.35;
}
.cert-card.cert-available:hover { transform: translateY(-3px); }
.cert-card.cert-coming_soon {
  background: var(--surface-2);
  /* slightly muted, not heavily dimmed — keeps visual parity */
}

.cert-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

/* SKU rows on the card */
.sku-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.sku-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.sku-row-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sku-bundle {
  background: rgba(0, 230, 118, 0.06);
  border-left: 3px solid var(--neon);
  padding-left: 12px;
  margin: 4px -12px;
  border-radius: 4px;
  padding-right: 6px;
}
.sku-badge {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  background: var(--neon);
  color: var(--ink);
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.sku-buy { width: 100%; }
.sku-buy .btn { width: 100%; text-align: center; }
.btn-buy-primary {
  background: var(--neon);
  color: var(--ink) !important;
  border-color: var(--neon);
  font-weight: 700;
}
.btn-buy-primary:hover { background: var(--neon-deep); border-color: var(--neon-deep); color: var(--ink) !important; }

/* Trust line at the bottom of an available cert card */
.cert-trust {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-soft);
}
.cert-trust a {
  color: var(--neon-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* Coming-soon panel — same vertical space as a SKU list */
.cert-coming-panel {
  margin-top: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.btn-coming {
  width: 100%;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-soft);
  border: 1px dashed var(--text-faint);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  cursor: not-allowed;
}
.cert-notify {
  margin: 12px 0 0;
  font-size: 0.85rem;
  text-align: center;
}
.cert-notify a {
  color: var(--neon-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.cert-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.cert-issuer {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.badge-available {
  background: var(--neon);
  color: var(--ink);
}
.badge-soon {
  background: var(--surface);
  color: var(--text-soft);
  border: 1px solid var(--line);
}

.cert-name {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.cert-long-name {
  margin: 4px 0 14px;
  color: var(--text-soft);
  font-size: 0.92rem;
}
.cert-meta {
  display: flex;
  gap: 22px;
  margin: 0 0 14px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--text);
  font-family: var(--mono);
}
.cert-meta-item { display: flex; flex-direction: column; }
.cert-meta-label {
  font-size: 0.66rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.cert-tagline {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}
.sku-info { flex: 1; min-width: 0; }
.sku-name { display: block; font-weight: 600; color: var(--text); }
.sku-desc {
  display: block;
  font-size: 0.84rem;
  color: var(--text-soft);
  margin-top: 2px;
  line-height: 1.5;
}

/* ---------- Why (5 cards) ---------- */
.why {
  padding: 88px 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.why-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.why-card:hover {
  transform: translateY(-3px);
  border-color: var(--neon);
  box-shadow: var(--shadow-md);
}
.why-icon {
  margin-bottom: 16px;
}
.why-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--neon-deep);
  background: var(--neon-faint);
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.why-card h3 {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.why-card p { margin: 0; color: var(--text-soft); font-size: 0.93rem; line-height: 1.6; }
.why-card strong { color: var(--text); font-weight: 700; }

/* ---------- About ---------- */
.about {
  padding: 96px 0;
  background: var(--ink);
  color: var(--text-dark);
  position: relative;
  overflow: hidden;
}
.about::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--neon-faint) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
  pointer-events: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.about-kicker { color: var(--neon); }
.about-copy { max-width: 640px; }
.about-title {
  font-family: var(--sans);
  font-size: clamp(1.85rem, 3.6vw, 2.6rem);
  margin: 0 0 18px;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  font-weight: 800;
  line-height: 1.1;
}
.about-lead {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin: 0 0 18px;
  line-height: 1.6;
}
.about-copy p { color: var(--text-dark-soft); line-height: 1.65; margin: 0 0 14px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius);
  padding: 22px;
  text-align: left;
  position: relative;
}
.stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  bottom: 0;
  width: 3px;
  background: var(--neon);
}
.stat-num {
  font-family: var(--mono);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--neon);
  line-height: 1;
}
.stat-label {
  color: var(--text-dark-soft);
  font-size: 0.85rem;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* ---------- Schedule (table) ---------- */
.schedule {
  padding: 96px 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
}
.schedule-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 0.94rem;
}
.schedule-table thead th {
  background: var(--ink);
  color: var(--neon);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-dark-2);
}
.schedule-table tbody td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--text);
  line-height: 1.55;
}
.schedule-table tbody tr:last-child td { border-bottom: none; }
.schedule-table tbody tr:hover td { background: var(--surface); }
.schedule-table .row-final td { background: rgba(0, 230, 118, 0.06); font-weight: 500; }
.schedule-table .row-final:hover td { background: rgba(0, 230, 118, 0.10); }

.col-when { width: 170px; }
.col-output { width: 320px; }

.when-tag {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: -0.005em;
}
.when-note {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}
.exam-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--neon-faint);
  color: var(--neon-deep);
  letter-spacing: 0.06em;
}
.exam-tag-final {
  background: var(--neon);
  color: var(--ink);
}
.exam-note {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-top: 4px;
  line-height: 1.5;
}

/* ---------- Money-back guarantee ---------- */
.guarantee {
  padding: 56px 0;
  background: var(--ink);
  color: var(--text-dark);
  border-top: 1px solid var(--line-dark);
  position: relative;
  overflow: hidden;
}
.guarantee::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--neon-faint) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}
.guarantee-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  position: relative;
  z-index: 1;
}
.guarantee-seal { flex-shrink: 0; }
.guarantee-copy h2 {
  font-family: var(--sans);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: -0.025em;
  color: #FFFFFF;
  line-height: 1.15;
}
.guarantee-copy p { margin: 0; color: var(--text-dark); font-size: 1.02rem; line-height: 1.55; max-width: 760px; }
.guarantee-copy a { color: var(--neon); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.guarantee-copy a:hover { color: var(--neon-deep); }

/* ---------- Auth (login page) ---------- */
.auth-page {
  padding: 96px 0;
  background: var(--surface);
  min-height: 60vh;
}
.auth-container { max-width: 480px; }
.auth-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
}
.auth-title {
  font-family: var(--sans);
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 4px 0 12px;
  color: var(--text);
}
.auth-sub {
  color: var(--text-soft);
  margin: 0 0 28px;
  font-size: 0.98rem;
  line-height: 1.55;
}
.auth-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid #DC2626;
  color: #B91C1C;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.92rem;
}
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-soft);
  font-weight: 600;
  margin-bottom: -8px;
}
.auth-input {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  transition: border-color 0.15s;
}
.auth-input:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-faint);
}
.auth-submit { margin-top: 8px; width: 100%; }
.auth-demo {
  background: rgba(0, 230, 118, 0.08);
  border: 1px dashed var(--neon);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
  font-family: var(--mono);
}
.auth-demo strong { color: var(--neon-deep); font-family: var(--sans); }
.auth-demo code {
  background: var(--ink);
  color: var(--neon);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.85rem;
}
.auth-foot {
  margin: 22px 0 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.9rem;
}

/* ---------- Portal ---------- */
.portal {
  padding: 64px 0 96px;
  background: var(--surface);
  min-height: 60vh;
}
.portal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.portal-title {
  font-family: var(--sans);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 4px 0 8px;
  color: var(--text);
}
.portal-sub { margin: 0; color: var(--text-soft); }
.portal-user {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.portal-email { color: var(--text-soft); }
.portal-empty {
  background: var(--surface-2);
  border: 1px dashed var(--line);
  padding: 48px 32px;
  text-align: center;
  border-radius: var(--radius);
}
.portal-empty h2 {
  font-family: var(--sans);
  font-size: 1.3rem;
  color: var(--text);
  margin: 0 0 10px;
}

.portal-cert {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}
.portal-cert-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.portal-cert-head h2 {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 4px 0 0;
  color: var(--text);
}
.portal-cert-head .portal-long {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-soft);
  margin-top: 2px;
}
.portal-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.portal-action {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  transition: border-color 0.18s, transform 0.08s, box-shadow 0.18s;
}
.portal-action:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--text);
}
.action-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--neon);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.portal-action h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.015em;
}
.portal-action p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.55;
}
.action-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.portal-tip {
  background: rgba(0, 230, 118, 0.06);
  border-left: 3px solid var(--neon);
  border-radius: 4px;
  padding: 14px 18px;
  font-size: 0.92rem;
  color: var(--text);
}
.portal-tip a { color: var(--neon-deep); text-decoration: underline; }
.portal-foot {
  margin-top: 36px;
  padding: 18px 22px;
  background: var(--surface-2);
  border: 1px dashed var(--text-faint);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--text-soft);
}
.portal-foot strong { color: var(--text); }

/* ---------- Exam runner ---------- */
.exam { padding: 56px 0 80px; background: var(--surface); min-height: 60vh; }
.exam-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.exam-title {
  font-family: var(--sans);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 4px 0 6px;
  color: var(--text);
}
.exam-mode {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.exam-mode strong { color: var(--neon-deep); }
.exam-mode a { color: var(--neon-deep); text-decoration: underline; }

.exam-watermark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 1.6rem;
  color: rgba(15, 23, 42, 0.04);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  transform: rotate(-25deg);
  z-index: 0;
}

.exam-question {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.q-domain {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon-deep);
  margin: 0 0 14px;
  position: relative;
}
.q-text {
  font-size: 1.06rem;
  line-height: 1.55;
  margin: 0 0 24px;
  color: var(--text);
  position: relative;
}
.q-options {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.q-option label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.q-option label:hover { border-color: var(--neon); }
.q-option input[type=radio] {
  margin-top: 3px;
  accent-color: var(--neon-deep);
}
.q-option .opt-letter {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--neon-deep);
  min-width: 24px;
}
.q-picked label { border-color: var(--neon); background: rgba(0, 230, 118, 0.05); }
.q-correct label { border-color: var(--neon); background: rgba(0, 230, 118, 0.10); }
.q-wrong label { border-color: #DC2626; background: rgba(239, 68, 68, 0.06); }

.q-feedback {
  margin-top: 18px;
  padding: 18px 22px;
  border-radius: var(--radius);
  position: relative;
}
.q-feedback-right { background: rgba(0, 230, 118, 0.10); border: 1px solid var(--neon); }
.q-feedback-wrong { background: rgba(239, 68, 68, 0.06); border: 1px solid #DC2626; }
.q-feedback h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--sans);
  letter-spacing: -0.015em;
}
.q-feedback-right h3 { color: var(--neon-deep); }
.q-feedback-wrong h3 { color: #B91C1C; }
.q-feedback p { margin: 0 0 10px; color: var(--text); font-size: 0.94rem; line-height: 1.6; }
.q-real-locked {
  margin-top: 18px;
  padding: 14px 18px;
  background: var(--surface);
  border-left: 3px solid var(--neon);
  border-radius: 4px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.q-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  position: relative;
}
.q-progress {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}
.prog-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.prog-dot:hover { border-color: var(--neon); color: var(--text); }
.prog-done { background: rgba(0, 230, 118, 0.10); border-color: var(--neon); color: var(--neon-deep); }
.prog-here { background: var(--neon); color: var(--ink); border-color: var(--neon); }

/* Results */
.exam-results {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.results-score {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}
.score-num {
  font-family: var(--mono);
  font-size: 3.4rem;
  font-weight: 700;
  color: var(--neon-deep);
  letter-spacing: -0.03em;
  line-height: 1;
}
.score-pct {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--text-soft);
  margin-top: 6px;
}
.results-domains { margin-bottom: 28px; position: relative; }
.results-domains h3 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text);
}
.results-domains ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}
.results-domains li {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.dom-score { font-family: var(--mono); font-weight: 700; color: var(--neon-deep); }

.results-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 28px 0;
  flex-wrap: wrap;
  position: relative;
}
.results-review summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--neon-deep);
  list-style: none;
  user-select: none;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.results-review summary::-webkit-details-marker { display: none; }
.results-review summary::before { content: "▸ "; }
.results-review[open] summary::before { content: "▾ "; }
.review-body { padding-top: 16px; }
.review-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.review-item:last-child { border-bottom: none; }
.review-q { margin: 0 0 12px; color: var(--text); font-size: 0.96rem; line-height: 1.55; }
.review-opts {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}
.review-opts li {
  padding: 6px 0;
  font-size: 0.92rem;
  color: var(--text-soft);
}
.review-opts .opt-correct { color: var(--neon-deep); font-weight: 600; }
.review-opts .opt-picked { color: #B91C1C; }
.opt-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  background: var(--neon);
  color: var(--ink);
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: 6px;
}
.opt-tag-wrong { background: #DC2626; color: #FFFFFF; }
.review-reason {
  background: var(--surface);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-soft);
}
.review-reason p { margin: 0 0 8px; }
.review-reason strong { color: var(--text); }

/* ---------- Content pages (notes + mindmap) ---------- */
.content-page {
  padding: 56px 0 96px;
  background: var(--surface);
  min-height: 60vh;
}
.content-back {
  display: inline-block;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-soft);
}
.content-back:hover { color: var(--neon-deep); }
.content-head { margin-bottom: 32px; }
.content-title {
  font-family: var(--sans);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 4px 0 8px;
  color: var(--text);
}
.content-sub { color: var(--text-soft); margin: 0; max-width: 720px; }

.content-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  align-items: start;
}
.content-nav {
  position: sticky;
  top: 96px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.content-nav .content-title {
  font-size: 1.15rem;
  margin: 4px 0 14px;
}
.content-toc {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.content-toc a {
  display: block;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-soft);
}
.content-toc a:hover { background: var(--surface); color: var(--neon-deep); }
.content-sample-tag {
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 12px 14px;
  background: rgba(0, 230, 118, 0.06);
  border: 1px dashed var(--neon);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}
.content-sample-tag strong { color: var(--neon-deep); }

.content-body {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.content-body section { margin-bottom: 36px; position: relative; }
.content-body section:last-child { margin-bottom: 0; }
.content-body h2 {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--neon);
}
.content-body h3 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 22px 0 8px;
  color: var(--text);
}
.content-body p, .content-body li { color: var(--text); line-height: 1.65; font-size: 0.96rem; }
.content-body ul { padding-left: 22px; }
.content-body li { margin-bottom: 6px; }
.content-body strong { color: var(--neon-deep); font-weight: 700; }
.content-body em { color: var(--text); font-style: italic; }
.note-callout {
  background: rgba(0, 230, 118, 0.06);
  border-left: 3px solid var(--neon);
  padding: 14px 18px;
  border-radius: 4px;
  font-size: 0.92rem;
  margin: 18px 0;
}
.content-truncate {
  color: var(--text-faint) !important;
  font-style: italic;
  font-size: 0.88rem !important;
}

/* Mindmap stage */
.mindmap-stage {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 36px;
  overflow: hidden;
}
.mindmap-svg { display: block; width: 100%; height: auto; }
.mindmap-stage .exam-watermark { color: rgba(255, 255, 255, 0.04); }
.mindmap-outline {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.mindmap-outline h2 {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--text);
}
.outline { padding-left: 22px; color: var(--text); line-height: 1.7; }
.outline > li { margin-bottom: 14px; }
.outline ul { padding-left: 20px; color: var(--text-soft); }
.outline strong { color: var(--text); }

/* ---------- Final CTA ---------- */
.final-cta {
  padding: 80px 0 88px;
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--neon-faint) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}
.final-cta-inner { position: relative; z-index: 1; }
.final-cta h2 {
  font-family: var(--sans);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  margin: 0 0 14px;
  color: #FFFFFF;
  letter-spacing: -0.025em;
  font-weight: 800;
}
.final-cta p {
  margin: 0 auto 28px;
  color: var(--text-dark);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 620px;
}
.final-cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-dark-soft);
  padding: 64px 0 36px;
  font-size: 0.9rem;
  border-top: 1px solid var(--line-dark);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 2fr;
  gap: 36px;
}
.footer-col h4 {
  font-family: var(--mono);
  color: var(--neon);
  margin: 0 0 12px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
.footer-col a {
  display: block;
  color: var(--text-dark-soft);
  padding: 4px 0;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--neon); }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.footer-brand .brand-glyph {
  color: var(--neon);
  font-family: var(--mono);
  font-size: 1.3rem;
}
.footer-tagline {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.88rem;
}
.footer-legal p { margin: 0 0 10px; line-height: 1.55; }
.copyright { color: var(--text-faint); font-size: 0.82rem !important; }
.footer-legal strong { color: var(--text-dark); font-weight: 600; }

/* ---------- Legal pages ---------- */
.legal h1 {
  font-family: var(--sans);
  color: var(--text);
  letter-spacing: -0.025em;
  font-weight: 800;
}

/* ---------- Sample question ---------- */
.sample {
  padding: 80px 0;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.sample-card {
  background: var(--ink);
  color: var(--text-dark);
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius);
  padding: 30px 32px;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}
.sample-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--neon);
}
.sample-meta {
  display: flex;
  gap: 24px;
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-dark-soft);
  flex-wrap: wrap;
}
.sample-domain { color: var(--neon); }
.sample-question {
  font-size: 1.08rem;
  color: #FFFFFF;
  line-height: 1.55;
  margin: 0 0 22px;
}
.sample-question strong { color: var(--neon); font-weight: 700; }
.sample-options {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  color: var(--text-dark);
}
.sample-options li {
  padding: 8px 0;
  font-size: 0.95rem;
  line-height: 1.55;
  display: flex;
  gap: 12px;
}
.opt-letter {
  font-family: var(--mono);
  color: var(--neon);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 24px;
}
.sample-reveal {
  margin-top: 18px;
  border-top: 1px solid var(--line-dark-2);
  padding-top: 18px;
}
.sample-reveal summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--neon);
  list-style: none;
  user-select: none;
}
.sample-reveal summary::-webkit-details-marker { display: none; }
.sample-reveal summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.15s;
  margin-right: 4px;
}
.sample-reveal[open] summary::before { content: "▾ "; }
.sample-reveal[open] summary { margin-bottom: 14px; }
.reveal-body p {
  color: var(--text-dark);
  font-size: 0.94rem;
  line-height: 1.6;
  margin: 0 0 12px;
}
.reveal-body strong { color: var(--neon); font-weight: 700; }
.reveal-cta {
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark-2);
  color: var(--text-dark-soft) !important;
}
.reveal-cta a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-weight: 600;
}
.reveal-cta a:hover { color: var(--neon-deep); }

/* ---------- Schedule repeat CTA ---------- */
.schedule-cta {
  margin-top: 36px;
  padding: 28px 32px;
  background: var(--surface-2);
  border: 1px solid var(--neon);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.schedule-cta p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 560px;
}
.schedule-cta strong { color: var(--neon-deep); }

/* ---------- FAQ ---------- */
.faq {
  padding: 88px 0;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}
.faq-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 880px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  transition: border-color 0.15s;
}
.faq-item:hover { border-color: var(--neon); }
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  letter-spacing: -0.005em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--neon-deep);
  font-weight: 700;
  flex-shrink: 0;
  transition: transform 0.15s;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-soft);
  line-height: 1.6;
  font-size: 0.94rem;
}
.faq-item a {
  color: var(--neon-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* ---------- "Last updated" disclosure inside cert cards ---------- */
.cert-updated {
  margin: 0 0 12px;
  font-size: 0.82rem;
  color: var(--text-soft);
  font-family: var(--mono);
}
.cert-updated summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--cert-accent, var(--neon)) 6%, var(--surface));
  border: 1px dashed color-mix(in srgb, var(--cert-accent, var(--neon)) 40%, var(--line));
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s;
}
.cert-updated summary::-webkit-details-marker { display: none; }
.cert-updated summary::before {
  content: "↻";
  color: var(--cert-accent, var(--neon-deep));
  font-weight: 700;
  margin-right: 2px;
}
.cert-updated summary::after {
  content: "▾";
  font-size: 0.7rem;
  color: var(--text-faint);
  margin-left: 4px;
  transition: transform 0.15s;
}
.cert-updated[open] summary::after { transform: rotate(180deg); }
.cert-updated summary:hover { background: color-mix(in srgb, var(--cert-accent, var(--neon)) 14%, var(--surface)); }
.cert-updated summary strong { color: var(--text); font-family: var(--sans); }
.cert-updates {
  list-style: none;
  padding: 12px 14px;
  margin: 8px 0 0;
  background: var(--surface);
  border-left: 2px solid var(--cert-accent, var(--neon));
  border-radius: 0 4px 4px 0;
  font-size: 0.8rem;
  line-height: 1.65;
}
.cert-updates li { padding: 2px 0; }
.update-date {
  display: inline-block;
  min-width: 110px;
  color: var(--text);
  font-weight: 600;
}

/* ---------- Compact bundle box (inside an available cert card) ---------- */
.bundle-box {
  background: color-mix(in srgb, var(--cert-accent, var(--neon)) 8%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--cert-accent, var(--neon)) 40%, var(--line));
  border-left: 3px solid var(--cert-accent, var(--neon));
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-top: 8px;
}
.bundle-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.bundle-name {
  font-weight: 700;
  color: var(--text);
  font-size: 1.02rem;
}
.bundle-badge {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 3px 8px;
  background: var(--cert-accent, var(--neon));
  color: var(--ink);
  border-radius: 3px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.bundle-desc {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.5;
}
.bundle-cta {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: var(--cert-accent, var(--neon)) !important;
  color: var(--ink) !important;
  border-color: var(--cert-accent, var(--neon)) !important;
  font-weight: 700;
}
.bundle-cta:hover { filter: brightness(0.92); color: var(--ink) !important; }
.bundle-note {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: center;
  font-style: italic;
}

/* Individuals disclosure inside an available cert card */
.cert-individuals {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.cert-individuals summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  list-style: none;
  user-select: none;
  padding: 6px 0;
}
.cert-individuals summary::-webkit-details-marker { display: none; }
.cert-individuals summary::before {
  content: "+ ";
  color: var(--cert-accent, var(--neon-deep));
  font-weight: 700;
}
.cert-individuals[open] summary::before { content: "− "; }
.individuals-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}
.individual-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.individual-row:last-child { border-bottom: none; }
.individual-info { flex: 1; min-width: 0; }
.individual-name { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.individual-desc { display: block; font-size: 0.78rem; color: var(--text-soft); margin-top: 2px; line-height: 1.45; }
.individual-buy {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  background: var(--surface);
  color: var(--cert-accent, var(--neon-deep)) !important;
  border: 1px solid color-mix(in srgb, var(--cert-accent, var(--neon-deep)) 50%, var(--line));
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.individual-buy:hover { background: var(--cert-accent, var(--neon)); color: var(--ink) !important; text-decoration: none; }

/* cert-trust as a clean list */
ul.cert-trust {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--text-soft);
}
ul.cert-trust li { padding: 2px 0; }
ul.cert-trust a {
  color: var(--cert-accent, var(--neon-deep));
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* ---------- Portal — license pill, expiry meta, color accent ---------- */
.license-pill {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  z-index: 2;
}
.pill-licensed { background: var(--neon); color: var(--ink); }
.pill-unlicensed {
  background: var(--surface);
  color: var(--text-soft);
  border: 1px dashed var(--text-faint);
}
.portal-action { position: relative; padding-top: 36px; }
.portal-action-unlicensed {
  opacity: 0.85;
  background: color-mix(in srgb, var(--surface) 60%, var(--surface-2));
  border-style: dashed;
}
.portal-action-unlicensed:hover { opacity: 1; border-color: var(--neon); }

.portal-cert { border-top: 3px solid var(--cert-accent, var(--neon)); }
.license-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  text-align: right;
}
.license-expiry {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}
.license-expiry strong { color: var(--text); }

/* ---------- Portal — Expand-your-library (upsell) section ---------- */
.portal-upsell {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.portal-upsell-title {
  font-family: var(--sans);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 4px 0 8px;
  color: var(--text);
}
.portal-upsell-sub { margin: 0 0 24px; color: var(--text-soft); max-width: 720px; }
.upsell-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.upsell-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cert-accent, var(--neon));
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.upsell-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--cert-accent, var(--neon)); }
.upsell-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.upsell-name {
  margin: 4px 0 2px;
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.015em;
}
.upsell-long { margin: 0 0 6px; font-size: 0.85rem; color: var(--text-soft); }
.upsell-tagline { margin: 0 0 14px; font-size: 0.85rem; color: var(--text); line-height: 1.5; }
.upsell-cta { margin-top: auto; width: 100%; text-align: center; font-size: 0.88rem; }

/* ---------- Portal — license table ---------- */
.portal-licenses {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.portal-licenses-title {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 4px 0 16px;
  color: var(--text);
}
.license-table-wrap {
  overflow-x: auto;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.license-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.92rem; }
.license-table thead th {
  background: var(--surface);
  color: var(--text);
  text-align: left;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.license-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  vertical-align: top;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.license-table tbody tr:last-child td { border-bottom: none; }
.days-left {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  background: rgba(0, 230, 118, 0.12);
  color: var(--neon-deep);
  font-weight: 700;
}
.license-foot { font-size: 0.85rem; color: var(--text-soft); margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 64px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-art { max-width: 620px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .guarantee-inner { flex-direction: column; text-align: center; gap: 20px; }
  .col-when { width: 130px; }
  .col-output { width: 240px; }
}
@media (max-width: 960px) {
  .schedule-cta { flex-direction: column; align-items: stretch; text-align: left; padding: 22px; }
  .schedule-cta .btn { text-align: center; }
  .content-grid { grid-template-columns: 1fr; }
  .content-nav { position: static; }
  .portal-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .site-nav a { margin-left: 14px; font-size: 0.88rem; }
  .nav-cta { padding: 6px 12px; }
  .sku-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .sku-buy { width: 100%; justify-content: space-between; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { text-align: center; }
  .about-stats { grid-template-columns: 1fr; }
  .schedule-table { font-size: 0.86rem; }
  .schedule-table thead th, .schedule-table tbody td { padding: 12px 14px; }
  .col-when { width: 110px; }
  .col-output { width: auto; }
}