:root {
  color-scheme: light;
  --page: #f4f6f8;
  --surface: #ffffff;
  --surface-subtle: #f8f9fb;
  --surface-blue: #edf4ff;
  --surface-teal: #eaf7f4;
  --surface-amber: #fff6e8;
  --ink: #101828;
  --navy: #172b4d;
  --muted: #52606d;
  --subtle: #66788a;
  --line: #d9e1e8;
  --line-strong: #b9c5d1;
  --blue: #0c66e4;
  --blue-hover: #0055cc;
  --action-blue: #0c66e4;
  --action-blue-hover: #0055cc;
  --action-teal: #0f766e;
  --action-amber: #b45309;
  --teal: #0f766e;
  --amber: #b45309;
  --green: #19734b;
  --green-soft: #e8f7ef;
  --red: #b42318;
  --red-soft: #fff0ee;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.08);
  --header-bg: rgba(255, 255, 255, 0.98);
  --band-dark: #172b4d;
  --footer-bg: #111c2e;
  font-family: Inter, "Segoe UI", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page: #111820;
  --surface: #18212b;
  --surface-subtle: #222d39;
  --surface-blue: #1b3656;
  --surface-teal: #143b35;
  --surface-amber: #3b2d18;
  --ink: #f4f7fb;
  --navy: #ffffff;
  --muted: #cbd5e1;
  --subtle: #aebdce;
  --line: #3b4858;
  --line-strong: #56667a;
  --blue: #75b3ff;
  --blue-hover: #a2cdff;
  --teal: #61d1c4;
  --amber: #ffc766;
  --green: #5bd39a;
  --green-soft: #153d30;
  --red: #ff8f87;
  --red-soft: #4a2625;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
  --header-bg: rgba(21, 29, 39, 0.98);
  --band-dark: #1a2b43;
  --footer-bg: #0d131b;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-size: 16px;
  line-height: 1.7;
}

body.practice-body {
  background: var(--page);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.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;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 8px 12px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 68px;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  width: min(1480px, 100%);
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  color: var(--navy);
  text-decoration: none;
}

.brand-symbol {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 2px solid var(--teal);
  border-radius: 50%;
  color: var(--teal);
  background: var(--surface);
  font-weight: 800;
  line-height: 1;
}

.brand-symbol::after {
  position: absolute;
  right: -4px;
  bottom: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  content: "";
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 17px;
}

.brand-copy small {
  margin-top: 3px;
  color: var(--subtle);
  font-size: 10px;
  font-weight: 650;
  text-transform: uppercase;
}

.header-navigation {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  min-width: 0;
}

.primary-nav,
.utility-nav,
.header-actions {
  display: flex;
  align-items: center;
}

.primary-nav {
  height: 68px;
}

.utility-nav {
  gap: 18px;
  margin-left: auto;
  white-space: nowrap;
}

.utility-nav a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}

.utility-nav a:hover,
.utility-nav a:focus-visible {
  color: var(--blue);
}

.header-actions {
  gap: 8px;
  margin-left: 20px;
}

.theme-toggle {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--navy);
  background: var(--surface);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.theme-icon {
  font-size: 17px;
  line-height: 1;
}

.theme-icon-light {
  display: none;
}

html[data-theme="dark"] .theme-icon-light {
  display: inline;
}

html[data-theme="dark"] .theme-icon-dark {
  display: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 68px;
  padding: 0 15px;
  border: 0;
  color: var(--navy);
  background: transparent;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.nav-link::after,
.nav-dropdown.is-current > .nav-link::after {
  position: absolute;
  right: 15px;
  bottom: 0;
  left: 15px;
  height: 3px;
  background: var(--blue);
  content: "";
  opacity: 0;
}

.nav-link.is-current::after,
.nav-dropdown.is-current > .nav-link::after,
.nav-link:hover::after,
.nav-link:focus-visible::after {
  opacity: 1;
}

.nav-dropdown {
  position: relative;
  height: 68px;
}

.exam-mega-menu {
  position: absolute;
  top: 58px;
  left: -120px;
  display: none;
  width: 690px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: 0 14px 30px rgba(16, 24, 40, 0.16);
}

.nav-dropdown:hover .exam-mega-menu,
.nav-dropdown:focus-within .exam-mega-menu,
.nav-dropdown.is-open .exam-mega-menu {
  display: block;
}

.menu-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 4px 10px;
  border-bottom: 1px solid var(--line);
}

.menu-heading a {
  font-size: 13px;
  font-weight: 650;
}

.exam-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}

.exam-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 7px 9px;
  border-radius: 4px;
  color: var(--navy);
  text-decoration: none;
}

.exam-menu-item:hover,
.exam-menu-item:focus-visible {
  background: var(--surface-blue);
}

.exam-menu-item span {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.exam-menu-item strong {
  font-size: 13px;
}

.exam-menu-item small {
  overflow: hidden;
  color: var(--subtle);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.exam-menu-item em {
  margin-left: 10px;
  color: var(--subtle);
  font-size: 10px;
  font-style: normal;
  white-space: nowrap;
}

.exam-menu-item.is-live em {
  color: var(--green);
  font-weight: 700;
}

.mobile-menu-button {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

.mobile-menu-button > span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--navy);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.button-primary {
  color: #fff;
  border-color: var(--action-blue);
  background: var(--action-blue);
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: var(--action-blue-hover);
  background: var(--action-blue-hover);
}

.button-secondary {
  color: var(--navy);
  border-color: var(--line-strong);
  background: var(--surface);
}

.button-secondary:hover,
.button-secondary:focus-visible,
.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

.button-quiet {
  color: var(--navy);
  border-color: transparent;
  background: transparent;
}

.button-large {
  min-height: 48px;
  padding: 12px 22px;
  font-size: 15px;
}

.button.is-disabled,
.button[aria-disabled="true"] {
  color: var(--muted);
  border-color: var(--line);
  background: var(--surface-subtle);
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.8;
}

.hero {
  position: relative;
  height: min(650px, calc(100svh - 112px));
  min-height: 500px;
  overflow: hidden;
  background-color: #f8f9fb;
  background-image: url("assets/hero-learning-studio.webp");
  background-position: center;
  background-size: cover;
}

.hero::before {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  width: min(1320px, 100%);
  height: 100%;
  margin: 0 auto;
  padding: 44px 40px;
}

.hero-copy {
  width: min(610px, 52%);
}

.hero-kicker,
.section-kicker,
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.hero-kicker::before,
.section-kicker::before,
.page-kicker::before {
  width: 22px;
  height: 3px;
  background: var(--amber);
  content: "";
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: 54px;
  line-height: 1.12;
}

.hero-lead {
  margin: 20px 0 0;
  color: var(--navy);
  font-size: 25px;
  font-weight: 750;
  line-height: 1.45;
}

.hero-description {
  max-width: 560px;
  margin: 18px 0 0;
  color: #344563;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-note {
  margin: 18px 0 0;
  color: var(--subtle);
  font-size: 12px;
}

.proof-strip {
  border-bottom: 1px solid var(--line);
  background: var(--band-dark);
}

.proof-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 16px 24px;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 28px;
  color: #fff;
}

.proof-item + .proof-item {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.proof-index {
  color: #7ee2d6;
  font-size: 13px;
  font-weight: 850;
}

.proof-item strong {
  display: block;
  font-size: 14px;
}

.proof-item span:last-child {
  display: block;
  color: #c7d1df;
  font-size: 12px;
}

.section-band {
  padding: 88px 28px;
}

.section-band.is-subtle {
  background: var(--surface-subtle);
}

.section-band.is-navy {
  color: #fff;
  background: var(--band-dark);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}

.section-head-copy {
  max-width: 710px;
}

.section-head h2,
.page-hero h1,
.content-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: 36px;
  line-height: 1.3;
}

.section-head p,
.page-hero p,
.content-heading p {
  margin: 12px 0 0;
  color: var(--muted);
}

.section-band.is-navy .section-head h2,
.section-band.is-navy .section-head p {
  color: #fff;
}

.section-link {
  flex: 0 0 auto;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.exam-card,
.resource-card,
.plan-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-card {
  min-height: 240px;
  padding: 26px;
}

.feature-number,
.step-number {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--action-teal);
  font-size: 13px;
  font-weight: 800;
}

.feature-card:nth-child(2) .feature-number {
  background: var(--action-blue);
}

.feature-card:nth-child(3) .feature-number {
  background: var(--action-amber);
}

.feature-card h3,
.exam-card h3,
.resource-card h3,
.plan-card h3 {
  margin: 20px 0 8px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.45;
}

.feature-card p,
.resource-card p,
.exam-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.learning-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.learning-step {
  position: relative;
  min-height: 210px;
  padding: 32px;
}

.learning-step + .learning-step {
  border-left: 1px solid var(--line-strong);
}

.learning-step h3 {
  margin: 20px 0 7px;
  color: var(--navy);
  font-size: 18px;
}

.learning-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.exam-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.exam-card {
  display: flex;
  flex-direction: column;
  min-height: 215px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
}

.exam-card:hover,
.exam-card:focus-visible {
  border-color: var(--blue);
  box-shadow: var(--shadow);
}

.exam-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.exam-code {
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.status-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--subtle);
  background: var(--surface-subtle);
  font-size: 11px;
  font-weight: 700;
}

.status-label.is-live {
  color: var(--green);
  border-color: #9dd5b9;
  background: var(--green-soft);
}

.exam-card h3 {
  margin-top: 18px;
}

.exam-card small {
  margin-top: auto;
  padding-top: 18px;
  color: var(--subtle);
  font-size: 12px;
}

.resource-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 46px;
  align-items: start;
}

.resource-list {
  border-top: 1px solid var(--line);
}

.resource-link-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-height: 86px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  text-decoration: none;
}

.resource-link-row:hover strong,
.resource-link-row:focus-visible strong {
  color: var(--blue);
}

.resource-link-row > span:first-child {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.resource-link-row strong,
.resource-link-row small {
  display: block;
}

.resource-link-row small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.resource-link-row > span:last-child {
  color: var(--blue);
  font-size: 18px;
}

.expert-note {
  padding: 26px;
  border-left: 4px solid var(--amber);
  background: var(--surface-amber);
}

.expert-note strong {
  display: block;
  color: var(--navy);
  font-size: 19px;
}

.expert-note p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1160px;
  margin: 0 auto;
}

.plan-card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-top: 4px solid #728095;
}

.plan-card.is-featured {
  border-top-width: 4px;
}

.plan-tier {
  margin: 0 0 8px;
  color: #5e6c84;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.plan-free {
  background: #f8fafc;
}

.plan-plus {
  border-top-color: #1465d9;
  background: #f4f8ff;
  box-shadow: 0 12px 24px rgba(22, 63, 122, 0.12);
}

.plan-plus .plan-tier {
  color: #1465d9;
}

.plan-pro {
  border-top-color: #008a78;
  background: #f1fbf8;
  box-shadow: 0 14px 28px rgba(0, 89, 75, 0.16);
}

.plan-pro .plan-tier {
  color: #007763;
}

.plan-card h3 {
  margin: 0;
}

.plan-price {
  min-height: 58px;
  margin: 14px 0 18px;
  color: var(--navy);
  font-size: 28px;
  font-weight: 800;
}

.plan-price small {
  display: block;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
}

.plan-list {
  display: grid;
  gap: 9px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.plan-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 14px;
}

.plan-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 800;
}

.updates-list {
  border-top: 1px solid rgba(255, 255, 255, 0.26);
}

.update-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  gap: 24px;
  padding: 18px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  text-decoration: none;
}

.update-row time,
.update-row span {
  color: #c7d1df;
  font-size: 13px;
}

.cta-band {
  padding: 62px 28px;
  border-top: 1px solid var(--line);
  background: var(--surface-teal);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  width: min(980px, 100%);
  margin: 0 auto;
}

.cta-inner h2 {
  margin: 0;
  color: var(--navy);
  font-size: 28px;
}

.cta-inner p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-footer {
  color: #dfe5ec;
  background: var(--footer-bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(280px, 1.7fr) repeat(3, minmax(150px, 0.7fr));
  gap: 46px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 58px 28px 44px;
}

.footer-logo {
  min-width: 0;
  color: #fff;
}

.footer-logo .brand-symbol {
  border-color: #73d2c6;
  color: #73d2c6;
  background: transparent;
}

.footer-logo .brand-copy small {
  color: #93a4b8;
}

.footer-brand p {
  max-width: 390px;
  margin: 18px 0 0;
  color: #b8c4d2;
  font-size: 13px;
}

.footer-brand .footer-note {
  color: #8fa0b3;
  font-size: 11px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 13px;
}

.footer-column a {
  color: #b8c4d2;
  font-size: 13px;
  text-decoration: none;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 18px 28px;
  border-top: 1px solid #29364a;
  color: #8798ac;
  font-size: 11px;
}

.page-hero {
  padding: 64px 28px 52px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.page-hero-inner,
.content-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-hero p {
  max-width: 760px;
  font-size: 16px;
}

.content-wrap {
  padding: 64px 28px 90px;
}

.content-wrap.is-narrow {
  width: min(860px, 100%);
}

.content-heading {
  margin-bottom: 28px;
}

.notice {
  padding: 16px 18px;
  border: 1px solid #e3c07b;
  border-radius: 6px;
  color: #573a0b;
  background: var(--surface-amber);
  font-size: 13px;
}

.notice strong {
  display: block;
  margin-bottom: 3px;
}

.level-section + .level-section {
  margin-top: 54px;
}

.level-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--navy);
}

.level-section-head h2 {
  margin: 0;
  color: var(--navy);
  font-size: 24px;
}

.level-section-head p {
  margin: 0;
  color: var(--subtle);
  font-size: 13px;
}

.resource-article-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 54px;
}

.resource-article-nav a {
  min-height: 58px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--navy);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.resource-article-nav a:hover,
.resource-article-nav a:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

.guide-section {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 44px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.guide-section h2 {
  margin: 0;
  color: var(--navy);
  font-size: 20px;
}

.guide-section h3 {
  margin: 26px 0 8px;
  color: var(--navy);
  font-size: 17px;
}

.guide-section p,
.guide-section li {
  color: var(--muted);
  font-size: 14px;
}

.guide-section ul,
.guide-section ol {
  padding-left: 22px;
}

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.comparison-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--surface);
}

.comparison-table th,
.comparison-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.comparison-table th {
  color: var(--navy);
  background: var(--surface-subtle);
  font-size: 13px;
}

.comparison-table td {
  color: var(--muted);
  font-size: 14px;
}

.comparison-table td:not(:first-child),
.comparison-table th:not(:first-child) {
  text-align: center;
}

.check {
  color: var(--green);
  font-weight: 800;
}

.dash {
  color: #98a5b3;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 20px 44px 20px 0;
  color: var(--navy);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 19px;
  right: 10px;
  color: var(--blue);
  content: "+";
  font-size: 22px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details > div {
  max-width: 820px;
  padding: 0 42px 22px 0;
  color: var(--muted);
  font-size: 14px;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  min-height: calc(100svh - 68px);
  background: var(--surface-subtle);
}

.auth-context {
  display: flex;
  align-items: center;
  padding: 64px;
  color: #fff;
  background: var(--band-dark);
}

.auth-context-inner {
  width: min(620px, 100%);
  margin: 0 auto;
}

.auth-context .page-kicker {
  color: #78ded2;
}

.auth-context h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.35;
}

.auth-context p {
  margin: 16px 0 0;
  color: #c9d3df;
}

.auth-benefits {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.auth-benefits li {
  position: relative;
  padding-left: 25px;
  color: #e8edf3;
  font-size: 14px;
}

.auth-benefits li::before {
  position: absolute;
  left: 0;
  color: #78ded2;
  content: "✓";
  font-weight: 800;
}

.auth-panel {
  display: flex;
  align-items: center;
  padding: 42px;
  background: var(--surface);
}

.auth-form-wrap {
  width: 100%;
}

.auth-form-wrap h2 {
  margin: 0;
  color: var(--navy);
  font-size: 26px;
}

.auth-form-wrap > p {
  margin: 7px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.form-grid {
  display: grid;
  gap: 17px;
}

.button-provider {
  position: relative;
  justify-content: center;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.button-provider:hover,
.button-provider:focus-visible {
  color: var(--navy);
  border-color: var(--blue);
  background: var(--surface-blue);
}

.provider-mark {
  display: block;
  object-fit: contain;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  position: absolute;
  left: 15px;
  width: 20px;
  height: 20px;
  background: transparent;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--subtle);
  font-size: 11px;
}

.auth-divider::before,
.auth-divider::after {
  height: 1px;
  background: var(--line);
  content: "";
  flex: 1;
}

.field label,
.field legend {
  display: block;
  margin-bottom: 6px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--ink);
  background: var(--surface);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  outline: 2px solid rgba(12, 102, 228, 0.15);
  outline-offset: 0;
}

.field-help {
  display: block;
  margin-top: 5px;
  color: var(--subtle);
  font-size: 11px;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 62px;
}

.password-toggle {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 52px;
  height: 36px;
  border: 0;
  color: var(--blue);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

.form-status {
  padding: 11px 13px;
  border: 1px solid #9dd5b9;
  border-radius: 4px;
  color: #0f5b3a;
  background: var(--green-soft);
  font-size: 12px;
}

.form-status.is-error {
  border-color: #e6a7a7;
  color: #8b1e1e;
  background: #fff1f1;
}

.account-page {
  width: min(1040px, calc(100% - 40px));
  min-height: calc(100svh - 68px);
  margin-right: auto;
  margin-left: auto;
  padding-top: 64px;
  padding-bottom: 80px;
}

.account-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.account-heading h1,
.account-section h2 {
  margin: 0;
  color: var(--navy);
}

.account-heading h1 {
  font-size: 36px;
}

.account-heading p:not(.page-kicker) {
  margin: 8px 0 0;
  color: var(--muted);
}

.account-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.account-section {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.account-section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.account-section h2 {
  font-size: 20px;
}

.account-eyebrow {
  margin: 0 0 3px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.membership-badge {
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--navy);
  background: var(--surface-blue);
  font-size: 12px;
  font-weight: 800;
}

.account-panel {
  width: 100%;
  margin-top: 34px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.account-loading {
  margin-top: 34px;
  padding: 22px 0;
}

.account-loading-indicator {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 9px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--blue);
  border-radius: 50%;
  vertical-align: -2px;
  animation: account-spin 0.8s linear infinite;
}

@keyframes account-spin {
  to { transform: rotate(360deg); }
}

.account-error {
  margin-top: 28px;
  padding: 14px 16px;
  border: 1px solid var(--red);
  border-radius: 4px;
  color: var(--red);
  background: var(--red-soft);
}

.account-state {
  color: var(--muted);
}

.account-details {
  margin: 0;
}

.account-details > div {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.account-identity .account-details > div {
  grid-template-columns: 120px minmax(0, 1fr);
  padding: 12px 0;
}

.account-details > div:first-child {
  padding-top: 0;
}

.account-details dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.account-details dd {
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.account-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
}

.account-dashboard > .account-actions {
  grid-column: 1 / -1;
  justify-content: flex-end;
  margin-top: 0;
}

.account-profile-form {
  display: grid;
  gap: 18px;
}

.account-marketing {
  font-size: 13px;
}

.account-form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.account-save-status {
  margin: 0;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.account-save-status.is-error {
  color: var(--red);
}

.account-learning,
.account-plan {
  grid-column: 1 / -1;
}

.account-section-note {
  color: var(--subtle);
  font-size: 12px;
}

.learning-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.learning-summary > div {
  display: grid;
  gap: 1px;
  min-height: 92px;
  padding: 16px 20px;
  align-content: center;
  border-right: 1px solid var(--line);
}

.learning-summary > div:first-child {
  padding-left: 0;
}

.learning-summary > div:last-child {
  border-right: 0;
}

.learning-summary strong {
  color: var(--navy);
  font-size: 24px;
}

.learning-summary span,
.learning-exam-list,
.account-plan p span {
  color: var(--muted);
  font-size: 13px;
}

.learning-exam-list {
  margin-top: 18px;
}

.learning-exam-list > p {
  margin: 0;
}

.learning-exam-row {
  display: grid;
  grid-template-columns: 1fr repeat(3, auto);
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.account-plan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.account-plan p {
  margin: 10px 0 0;
}

.auth-callback-page {
  display: grid;
  min-height: calc(100svh - 68px);
  padding: 48px 20px;
  place-items: center;
  background: var(--surface-subtle);
}

.auth-callback-panel {
  width: min(520px, 100%);
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  text-align: center;
}

.auth-callback-panel h1 {
  margin: 20px 0 8px;
  color: var(--navy);
  font-size: 24px;
}

.auth-callback-panel p {
  margin: 0 0 24px;
  color: var(--muted);
}

.auth-spinner {
  display: inline-block;
  width: 34px;
  height: 34px;
  border: 3px solid var(--line-strong);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: auth-spin 0.8s linear infinite;
}

@keyframes auth-spin {
  to {
    transform: rotate(360deg);
  }
}

.form-bottom-link {
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

.contact-content {
  width: min(1120px, 100%);
}

.contact-form-section {
  display: block;
  min-width: 0;
  max-width: none;
  padding-top: 36px;
}

.contact-form-section > p {
  max-width: 640px;
  margin: 8px 0 28px;
}

.contact-form {
  display: grid;
  gap: 20px;
  width: 100%;
}

.contact-form .form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
}

.field textarea {
  min-height: 180px;
  resize: vertical;
}

.field-full {
  grid-column: 1 / -1;
}

.field-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.required-mark {
  margin-left: 3px;
  color: var(--red);
  font-weight: 800;
}

.optional-mark {
  margin-left: 6px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
}

.field .file-input {
  min-height: 50px;
  padding: 6px;
  cursor: pointer;
}

.file-input::file-selector-button {
  min-height: 36px;
  margin-right: 12px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--navy);
  background: var(--surface-subtle);
  cursor: pointer;
}

.file-input::file-selector-button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-verification {
  display: block;
}

.turnstile-widget {
  width: 100%;
  min-height: 65px;
}

.contact-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-submit {
  justify-self: start;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
}

.contact-form .form-status.is-success {
  color: var(--green);
}

.contact-form .form-status.is-error {
  color: var(--red);
}

.contact-aside {
  position: sticky;
  top: 88px;
  margin-top: 36px;
  padding: 24px;
  border-left: 4px solid var(--teal);
  background: var(--surface-teal);
}

.contact-aside h2 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
}

.contact-aside p,
.contact-aside li {
  color: var(--muted);
  font-size: 13px;
}

.legal-document {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 94px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.legal-toc strong {
  margin-bottom: 5px;
  color: var(--navy);
  font-size: 13px;
}

.legal-toc a {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.legal-copy {
  min-width: 0;
}

.legal-copy section {
  padding: 4px 0 34px;
  scroll-margin-top: 90px;
}

.legal-copy h2 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 20px;
}

.legal-copy p,
.legal-copy li,
.legal-copy dd,
.legal-copy dt {
  color: var(--muted);
  font-size: 14px;
}

.legal-copy dl {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.legal-copy dt,
.legal-copy dd {
  margin: 0;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.legal-copy dt {
  color: var(--navy);
  background: var(--surface-subtle);
  font-weight: 700;
}

.draft-badge {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 8px;
  border: 1px solid #e3c07b;
  border-radius: 4px;
  color: #6e4700;
  background: var(--surface-amber);
  font-size: 11px;
  font-weight: 800;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item time {
  color: var(--subtle);
  font-size: 13px;
  font-weight: 700;
}

.timeline-item h2 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
}

.timeline-item p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.empty-state {
  padding: 46px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.empty-state h2 {
  margin: 0;
  color: var(--navy);
  font-size: 22px;
}

.empty-state p {
  max-width: 700px;
  color: var(--muted);
}

.practice-shell {
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
  width: min(1600px, 100%);
  min-height: calc(100svh - 68px);
  margin: 0 auto;
}

.practice-sidebar {
  position: sticky;
  top: 68px;
  align-self: start;
  height: calc(100svh - 68px);
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.current-exam {
  padding: 22px 18px 18px;
  border-bottom: 1px solid var(--line);
}

.current-exam small,
.sidebar-label {
  display: block;
  color: var(--subtle);
  font-size: 10px;
  font-weight: 750;
  text-transform: uppercase;
}

.current-exam strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: 17px;
}

.current-exam span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.sidebar-section {
  padding: 18px 10px;
  border-bottom: 1px solid var(--line);
}

.sidebar-label {
  margin: 0 8px 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 8px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.sidebar-link:hover,
.sidebar-link:focus-visible,
.sidebar-link.is-current {
  color: var(--blue);
  background: var(--surface-blue);
}

.sidebar-link small {
  color: var(--subtle);
  font-size: 9px;
}

.sidebar-exam-list {
  display: grid;
  gap: 2px;
}

.sidebar-exam {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  padding: 6px 8px;
  border-radius: 4px;
  color: var(--navy);
  font-size: 12px;
  text-decoration: none;
}

.sidebar-exam:hover,
.sidebar-exam:focus-visible {
  background: var(--surface-subtle);
}

.sidebar-exam small {
  color: var(--subtle);
  font-size: 9px;
}

.sidebar-exam.is-live {
  color: var(--blue);
  background: var(--surface-blue);
  font-weight: 800;
}

.practice-main {
  min-width: 0;
  padding: 30px 34px 72px;
}

.practice-reading {
  width: min(1040px, 100%);
  margin: 0 auto;
}

.mobile-exam-nav {
  display: none;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.mobile-exam-nav summary {
  padding: 12px 14px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

.mobile-exam-nav div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 0 10px 10px;
}

.mobile-exam-nav a {
  padding: 7px;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
}

.practice-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
  scroll-margin-top: 90px;
}

.practice-page-head h1 {
  margin: 0;
  color: var(--navy);
  font-size: 20px;
}

.bookmark-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
}

.bookmark-button.is-bookmarked {
  color: #7a4c00;
  border-color: #e3c07b;
  background: var(--surface-amber);
}

.progress-line {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--subtle);
  font-size: 11px;
}

.progress-track {
  height: 5px;
  overflow: hidden;
  border-radius: 4px;
  background: #dfe5ec;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--teal);
  transition: width 180ms ease;
}

.question-surface {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 16px;
}

.question-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--subtle);
  background: var(--surface-subtle);
  font-size: 11px;
  font-weight: 700;
}

.question-meta span:first-child {
  color: var(--blue);
  border-color: #b8d2f7;
  background: var(--surface-blue);
}

.question-surface h2 {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.85;
  font-weight: 750;
  font-family: inherit;
  font-style: normal;
  letter-spacing: 0;
}

.question-copy {
  margin: 14px 0 8px;
  color: #344563;
  font-size: 15px;
  line-height: 1.85;
  font-family: inherit;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0;
}

.choice-list {
  display: grid;
  gap: 9px;
}

.choice {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 24px;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 58px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink);
  background: var(--surface);
  text-align: left;
}

.choice:hover:not(:disabled),
.choice:focus-visible:not(:disabled) {
  border-color: var(--blue);
  background: var(--surface-blue);
}

.choice.is-selected {
  border-color: var(--blue);
  background: var(--surface-blue);
}

.choice strong {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--navy);
  background: var(--surface-subtle);
  font-size: 13px;
}

.choice span {
  font-size: 14px;
  line-height: 1.55;
}

.choice i {
  color: var(--subtle);
  font-size: 18px;
  font-style: normal;
  font-weight: 850;
  text-align: center;
}

.choice.is-locked {
  cursor: default;
  opacity: 1;
}

.choice.is-correct {
  border-color: #69b88f;
  color: #0f5b3a;
  background: var(--green-soft);
  opacity: 1;
}

.choice.is-correct strong {
  color: #fff;
  border-color: var(--green);
  background: var(--green);
}

.choice.is-correct i {
  color: var(--green);
}

.choice.is-wrong {
  border-color: #e29891;
  color: #7a1c14;
  background: var(--red-soft);
  opacity: 1;
}

.choice.is-wrong strong {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.choice.is-wrong i {
  color: var(--red);
}

.result-panel {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.result-banner {
  padding: 13px 15px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
}

.result-banner.is-success {
  color: #0f5b3a;
  border-color: #9dd5b9;
  background: var(--green-soft);
}

.result-banner.is-error {
  color: #7a1c14;
  border-color: #e6aaa5;
  background: var(--red-soft);
}

.answer-overview {
  padding: 24px 0 8px;
}

.answer-overview h3,
.choice-explanations-heading {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 17px;
}

.choice-explanations-heading {
  margin-top: 44px;
}

.answer-overview p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.choice-explanations {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.choice-explanation {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.choice-explanation > strong {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--navy);
  background: #e8edf3;
  font-size: 12px;
}

.choice-explanation.is-correct > strong {
  color: #fff;
  background: var(--green);
}

.choice-explanation h5 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  color: var(--navy);
  font-size: 13px;
}

.choice-explanation h5 span {
  color: var(--subtle);
  font-size: 10px;
  font-weight: 650;
}

.choice-explanation.is-correct h5 span {
  color: var(--green);
}

.choice-explanation p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 4px solid var(--teal);
  background: var(--surface-teal);
}

.source-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.source-row a {
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.source-row > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.question-navigation {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
}

.question-navigation button {
  min-width: 150px;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--navy);
  background: var(--surface);
  font-size: 13px;
  font-weight: 750;
}

.question-navigation button:hover,
.question-navigation button:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

@media (max-width: 1180px) {
  .utility-nav {
    display: none;
  }

  .hero-copy {
    width: 57%;
  }

  .hero h1 {
    font-size: 48px;
  }

  .exam-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-header,
  .primary-nav,
  .nav-dropdown {
    height: 60px;
  }

  .header-inner {
    padding: 0 18px;
  }

  .site-brand {
    min-width: 0;
  }

  .brand-copy small {
    display: none;
  }

  .mobile-menu-button {
    display: block;
    margin-left: auto;
  }

  .header-navigation {
    position: absolute;
    top: 60px;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100svh - 60px);
    overflow-y: auto;
    padding: 14px 18px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 12px 22px rgba(16, 24, 40, 0.12);
  }

  .header-navigation.is-open {
    display: block;
  }

  .primary-nav,
  .header-actions {
    display: grid;
    height: auto;
    gap: 4px;
  }

  .nav-dropdown {
    height: auto;
  }

  .nav-link {
    justify-content: space-between;
    width: 100%;
    height: 44px;
    padding: 0 10px;
  }

  .nav-link::after {
    display: none;
  }

  .exam-mega-menu {
    position: static;
    width: 100%;
    margin-bottom: 8px;
    padding: 12px;
    box-shadow: none;
  }

  .nav-dropdown:hover .exam-mega-menu {
    display: none;
  }

  .nav-dropdown:focus-within .exam-mega-menu,
  .nav-dropdown.is-open .exam-mega-menu {
    display: block;
  }

  .exam-menu-grid {
    grid-template-columns: 1fr;
  }

  .header-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 14px 0 0;
  }

  .hero {
    height: min(620px, calc(100svh - 104px));
    min-height: 500px;
    background-position: 64% center;
  }

  .hero::before {
    background: rgba(255, 255, 255, 0.72);
  }

  .hero-inner {
    padding: 40px 28px;
  }

  .hero-copy {
    width: min(590px, 100%);
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 22px;
  }

  .feature-grid,
  .resource-article-nav {
    grid-template-columns: 1fr;
  }

  .resource-layout,
  .contact-layout,
  .legal-document {
    grid-template-columns: 1fr;
  }

  .contact-aside {
    position: static;
    margin-top: 0;
  }

  .legal-toc {
    position: static;
  }

  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-context {
    padding: 48px 30px;
  }

  .auth-panel {
    padding: 42px 30px 70px;
  }

  .practice-shell {
    grid-template-columns: 1fr;
  }

  .practice-sidebar {
    display: none;
  }

  .mobile-exam-nav {
    display: block;
  }

  .practice-main {
    padding: 24px 24px 64px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-symbol {
    width: 31px;
    height: 31px;
  }

  .hero {
    min-height: 515px;
    background-position: 72% center;
  }

  .hero::before {
    background: rgba(255, 255, 255, 0.82);
  }

  .hero-inner {
    align-items: end;
    padding: 32px 20px 38px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-lead {
    font-size: 20px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .proof-strip-inner {
    grid-template-columns: 1fr;
    padding: 8px 20px;
  }

  .proof-item {
    min-height: 58px;
    padding: 8px 0;
  }

  .proof-item + .proof-item {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0;
  }

  .section-band {
    padding: 62px 20px;
  }

  .section-head {
    display: block;
    margin-bottom: 26px;
  }

  .section-head h2,
  .page-hero h1,
  .content-heading h2 {
    font-size: 28px;
  }

  .section-link {
    display: inline-block;
    margin-top: 18px;
  }

  .learning-steps,
  .exam-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .learning-step + .learning-step {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .exam-card {
    min-height: 185px;
  }

  .guide-section {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .contact-form .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-section {
    padding-top: 28px;
  }

  .contact-verification {
    width: 100%;
  }

  .cta-inner {
    display: block;
  }

  .cta-inner .button {
    width: 100%;
    margin-top: 22px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 46px 20px 34px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    padding: 16px 20px;
  }

  .page-hero {
    padding: 48px 20px 38px;
  }

  .content-wrap {
    padding: 46px 20px 70px;
  }

  .level-section-head,
  .timeline-item {
    display: block;
  }

  .level-section-head p,
  .timeline-item h2 {
    margin-top: 7px;
  }

  .legal-copy dl {
    grid-template-columns: 1fr;
  }

  .legal-copy dd {
    padding-top: 0;
  }

  .auth-context h1 {
    font-size: 30px;
  }

  .auth-context,
  .auth-panel {
    padding-right: 20px;
    padding-left: 20px;
  }

  .account-page {
    width: min(100% - 28px, 1040px);
    padding-top: 42px;
  }

  .account-heading {
    display: grid;
    align-items: start;
  }

  .account-heading h1 {
    font-size: 30px;
  }

  .account-dashboard {
    grid-template-columns: 1fr;
  }

  .account-panel,
  .auth-callback-panel {
    padding: 24px 20px;
  }

  .account-details > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .account-identity .account-details > div {
    grid-template-columns: 1fr;
  }

  .account-actions {
    display: grid;
  }

  .account-learning,
  .account-plan,
  .account-dashboard > .account-actions {
    grid-column: auto;
  }

  .account-plan {
    display: grid;
  }

  .learning-summary {
    grid-template-columns: 1fr;
  }

  .learning-summary > div,
  .learning-summary > div:first-child {
    min-height: 72px;
    padding: 12px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .learning-summary > div:last-child {
    border-bottom: 0;
  }

  .learning-exam-row {
    grid-template-columns: 1fr 1fr;
    gap: 5px 14px;
  }

  .practice-main {
    padding: 18px 14px 56px;
  }

  .practice-page-head {
    align-items: start;
  }

  .practice-page-head h1 {
    font-size: 21px;
  }

  .bookmark-button span {
    display: none;
  }

  .question-surface {
    padding: 20px 16px;
  }

  .question-surface h2 {
    font-size: 14px;
  }

  .question-copy {
    font-size: 14px;
  }

  .choice {
    grid-template-columns: 34px minmax(0, 1fr) 20px;
    gap: 9px;
    min-height: 62px;
    padding: 9px 10px;
  }

  .choice strong {
    width: 29px;
    height: 29px;
  }

  .choice span {
    font-size: 13px;
  }

  .source-row {
    display: block;
  }

  .source-row a {
    display: inline-block;
    margin-top: 5px;
    text-align: left;
  }

  .question-navigation button {
    min-width: 0;
    flex: 1 1 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

html[data-theme="dark"] .skip-link,
html[data-theme="dark"] .proof-strip,
html[data-theme="dark"] .section-band.is-navy,
html[data-theme="dark"] .auth-context {
  background: var(--band-dark);
}

html[data-theme="dark"] .hero::before {
  background: rgba(8, 12, 17, 0.76);
}

html[data-theme="dark"] .hero-description,
html[data-theme="dark"] .question-copy {
  color: var(--muted);
}

html[data-theme="dark"] .plan-free {
  border-top-color: #9aa8ba;
  background: #172331;
}

html[data-theme="dark"] .plan-plus {
  border-top-color: #6ca8ff;
  background: #122a4b;
}

html[data-theme="dark"] .plan-pro {
  border-top-color: #49c6ac;
  background: #12342f;
}

html[data-theme="dark"] .plan-tier {
  color: #c2d3ea;
}

html[data-theme="dark"] .plan-plus .plan-tier {
  color: #8ebdff;
}

html[data-theme="dark"] .plan-pro .plan-tier {
  color: #79dfcc;
}

html[data-theme="dark"] .progress-track {
  background: #394858;
}

html[data-theme="dark"] .choice.is-correct {
  color: #effff8;
  border-color: #5bd39a;
  background: #174535;
}

html[data-theme="dark"] .choice.is-correct strong,
html[data-theme="dark"] .choice-explanation.is-correct > strong {
  color: #06251a;
  border-color: #69e0aa;
  background: #69e0aa;
}

html[data-theme="dark"] .choice.is-correct i,
html[data-theme="dark"] .choice-explanation.is-correct h5 span {
  color: #7be7b5;
}

html[data-theme="dark"] .choice.is-wrong {
  color: #fff1ef;
  border-color: #ff8f87;
  background: #512725;
}

html[data-theme="dark"] .choice.is-wrong strong {
  color: #2b0d0a;
  border-color: #ff9d96;
  background: #ff9d96;
}

html[data-theme="dark"] .result-banner.is-success {
  color: #eafff5;
  border-color: #5bd39a;
  background: #174535;
}

html[data-theme="dark"] .form-status {
  color: #eafff5;
  border-color: #5bd39a;
  background: #174535;
}

html[data-theme="dark"] .form-status.is-error {
  color: #fff1ef;
  border-color: #ff8f87;
  background: #512725;
}

html[data-theme="dark"] .result-banner.is-error {
  color: #fff1ef;
  border-color: #ff8f87;
  background: #512725;
}

html[data-theme="dark"] .choice-explanation > strong {
  color: #f7fbff;
  border-color: #58708a;
  background: #2b3a4b;
}

html[data-theme="dark"] .choice-explanation h5 span {
  color: #b9c8d8;
}

html[data-theme="dark"] .source-row {
  background: #163b36;
}

html[data-theme="dark"] .notice {
  color: #f0ca80;
  border-color: #795a28;
}

html[data-theme="dark"] .exam-mega-menu,
html[data-theme="dark"] .header-navigation,
html[data-theme="dark"] .question-surface,
html[data-theme="dark"] .choice,
html[data-theme="dark"] .auth-panel,
html[data-theme="dark"] .practice-sidebar {
  box-shadow: none;
}

html[data-theme="dark"] .choice:hover:not(:disabled),
html[data-theme="dark"] .choice:focus-visible {
  background: var(--surface-blue);
}

html[data-theme="dark"] img {
  filter: brightness(0.94);
}

/* Product-led home page */
.hero-product {
  height: min(640px, calc(100svh - 108px));
  min-height: 540px;
  background-color: #eef3f9;
  background-image: none;
  isolation: isolate;
}

.hero-product::before {
  z-index: -1;
  background: #eef3f9;
}

.hero-product .hero-inner {
  z-index: 2;
}

.hero-product .hero-copy {
  width: min(590px, 48%);
}

.hero-product-visual {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: max(24px, calc((100vw - 1320px) / 2));
  width: min(690px, 50vw);
  height: 500px;
  transform: translateY(-47%);
}

.device-window,
.desktop-preview,
.phone-preview {
  overflow: hidden;
  border: 1px solid #9fb0c2;
  background: #fff;
  box-shadow: 0 24px 60px rgba(23, 43, 77, 0.18);
}

.device-window img,
.desktop-preview img,
.phone-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.device-desktop {
  position: absolute;
  top: 34px;
  right: 30px;
  width: min(610px, 46vw);
  aspect-ratio: 16 / 10;
  border-radius: 8px;
}

.device-window-bar {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  padding: 0 10px;
  border-bottom: 1px solid #cbd5e1;
  background: #f7f9fc;
}

.device-window-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8292a6;
}

.device-window-bar + img {
  padding-top: 24px;
  object-position: top left;
}

.device-phone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 190px;
  height: 390px;
  padding: 9px;
  border: 5px solid #172b4d;
  border-radius: 30px;
  box-shadow: 0 26px 54px rgba(16, 24, 40, 0.3);
}

.device-phone img {
  border-radius: 18px;
  object-position: top center;
}

.device-phone-sensor {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: 50%;
  width: 62px;
  height: 16px;
  border-radius: 10px;
  background: #101828;
  transform: translateX(-50%);
}

.active-exam-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.active-exam-copy,
.exam-roadmap {
  padding: 34px;
}

.active-exam-copy h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 25px;
}

.active-exam-copy > p,
.exam-roadmap > p {
  color: var(--muted);
}

.exam-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.exam-facts div {
  padding: 14px 16px;
}

.exam-facts div + div {
  border-left: 1px solid var(--line);
}

.exam-facts dt {
  color: var(--subtle);
  font-size: 11px;
  font-weight: 700;
}

.exam-facts dd {
  margin: 2px 0 0;
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
}

.exam-roadmap {
  border-left: 1px solid var(--line);
  background: var(--surface-blue);
}

.roadmap-label {
  margin-top: 0;
  color: var(--navy) !important;
  font-size: 18px;
  font-weight: 800;
}

.roadmap-levels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 24px 0;
}

.roadmap-levels span {
  min-width: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--action-blue);
  color: var(--navy);
  background: var(--surface);
  font-size: 13px;
  font-weight: 750;
}

.sample-question-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 48px;
  align-items: start;
}

.sample-question-context {
  padding-top: 18px;
}

.sample-question-code {
  color: var(--action-blue);
  font-size: 12px;
  font-weight: 850;
}

.sample-question-context h3 {
  margin: 14px 0 10px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.55;
}

.sample-question-context > p,
.sample-question-context li {
  color: var(--muted);
}

.sample-question-context ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.sample-question-context li {
  position: relative;
  padding: 8px 0 8px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.sample-question-context li::before {
  position: absolute;
  top: 13px;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--action-teal);
  content: "";
}

.sample-question-card {
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.sample-question-number {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--subtle);
  font-size: 12px;
}

.sample-question-number strong {
  color: var(--navy);
  font-size: 20px;
}

.sample-choice-list {
  display: grid;
  gap: 10px;
}

.sample-choice {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--surface);
  text-align: left;
}

.sample-choice:hover:not(:disabled),
.sample-choice:focus-visible {
  border-color: var(--action-blue);
  background: var(--surface-blue);
}

.sample-choice strong {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 4px;
  color: var(--action-blue);
  background: var(--surface-blue);
}

.sample-choice span {
  min-width: 0;
  font-size: 14px;
}

.sample-choice i {
  color: inherit;
  font-style: normal;
  font-weight: 900;
  text-align: center;
}

.sample-choice.is-correct {
  color: #114f38;
  border-color: #4eaa7f;
  background: #e8f7ef;
}

.sample-choice.is-correct strong {
  color: #fff;
  background: #19734b;
}

.sample-choice.is-wrong {
  color: #7a271f;
  border-color: #d8665d;
  background: #fff0ee;
}

.sample-choice.is-wrong strong {
  color: #fff;
  background: #b42318;
}

.sample-answer {
  margin-top: 20px;
  padding: 18px;
  border-left: 4px solid #19734b;
  background: var(--green-soft);
}

.sample-answer > strong {
  color: var(--green);
}

.sample-answer p {
  margin: 8px 0;
  color: var(--muted);
  font-size: 14px;
}

.sample-answer a {
  font-size: 13px;
  font-weight: 750;
}

.product-flow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-flow-item {
  min-width: 0;
}

.phone-preview,
.desktop-preview {
  position: relative;
  width: 100%;
  height: 330px;
  border: 5px solid #172b4d;
  border-radius: 24px;
  box-shadow: 0 14px 30px rgba(23, 43, 77, 0.13);
}

.phone-preview img {
  border-radius: 17px;
  object-position: top center;
}

.phone-preview-answer img {
  object-position: center 42%;
}

.phone-preview-explanation img {
  object-position: center 86%;
}

.desktop-preview {
  height: 330px;
  border-width: 1px;
  border-radius: 8px;
}

.desktop-preview img {
  padding-top: 24px;
  object-position: top left;
}

.flow-index {
  margin: 20px 0 0 !important;
  color: var(--action-blue) !important;
  font-size: 12px !important;
  font-weight: 850;
}

.product-flow-item h3 {
  margin: 4px 0 6px;
  color: var(--navy);
  font-size: 17px;
}

.product-flow-item > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.home-membership-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
}

.home-membership-inner > div:first-child {
  max-width: 690px;
}

.home-membership-inner h2 {
  margin: 0;
  font-size: 34px;
}

.home-membership-inner p:not(.section-kicker) {
  margin: 10px 0 0;
  color: #d7e0eb;
}

.home-membership-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

html[data-theme="dark"] .hero-product,
html[data-theme="dark"] .hero-product::before {
  background: #151d27;
}

html[data-theme="dark"] .hero-product img,
html[data-theme="dark"] .product-flow-section img {
  filter: none;
}

html[data-theme="dark"] .sample-choice.is-correct {
  color: #effff8;
  border-color: #4eaa7f;
  background: #174535;
}

html[data-theme="dark"] .sample-choice.is-wrong {
  color: #fff1ef;
  border-color: #d8665d;
  background: #512725;
}

html[data-theme="dark"] .sample-answer {
  background: #153d30;
}

@media (max-width: 1180px) {
  .hero-product-visual {
    right: -30px;
    width: 54vw;
  }

  .product-flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 18px;
  }
}

@media (max-width: 900px) {
  .hero-product {
    height: 600px;
    min-height: 560px;
  }

  .hero-product::before {
    background: rgba(238, 243, 249, 0.9);
  }

  .hero-product .hero-copy {
    width: min(570px, 76%);
  }

  .hero-product-visual {
    right: -150px;
    width: 600px;
    opacity: 0.32;
  }

  .active-exam-showcase,
  .sample-question-layout {
    grid-template-columns: 1fr;
  }

  .exam-roadmap {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .sample-question-layout {
    gap: 30px;
  }

  .home-membership-inner {
    display: block;
  }

  .home-membership-actions {
    margin-top: 26px;
  }
}

@media (max-width: 680px) {
  .hero-product {
    height: 600px;
    min-height: 560px;
  }

  .hero-product .hero-inner {
    align-items: flex-start;
    padding-top: 36px;
  }

  .hero-product .hero-copy {
    width: 100%;
  }

  .hero-product .hero-lead br {
    display: none;
  }

  .hero-product-visual {
    top: auto;
    right: -46px;
    bottom: -118px;
    width: 340px;
    height: 360px;
    opacity: 0.17;
    transform: none;
  }

  .device-desktop {
    display: none;
  }

  .device-phone {
    width: 170px;
    height: 350px;
  }

  .active-exam-copy,
  .exam-roadmap,
  .sample-question-card {
    padding: 22px;
  }

  .exam-facts {
    grid-template-columns: 1fr;
  }

  .exam-facts div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .roadmap-levels,
  .product-flow-grid {
    grid-template-columns: 1fr;
  }

  .sample-question-context h3 {
    font-size: 20px;
  }

  .sample-choice {
    grid-template-columns: 32px minmax(0, 1fr) 20px;
    padding: 10px;
  }

  .product-flow-grid {
    gap: 34px;
  }

  .phone-preview,
  .desktop-preview {
    height: 390px;
  }

  .home-membership-actions {
    display: grid;
  }
}