:root {
  color-scheme: light;
  --color-abyss: #071622;
  --color-deep-sea: #0b3a53;
  --color-harbor: #126782;
  --color-foam: #f7f3e8;
  --color-paper: #fffdf6;
  --color-mist: #d8e3e7;
  --color-compass: #f2a541;
  --color-reef: #1f7a56;
  --color-warning: #b65f1e;
  --color-buoy: #c44739;
  --color-ink: #14212b;
  --color-muted: #667782;
  --color-correct-soft: #e6f4ee;
  --color-warning-soft: #fff1db;
  --color-danger-soft: #fde8e4;
  --shadow-card: 0 20px 60px rgba(7, 22, 34, 0.12);
  --shadow-pressed: 0 8px 22px rgba(7, 22, 34, 0.14);
  --font-display: "Fraunces", "Besley", Georgia, serif;
  --font-body: "Atkinson Hyperlegible", "Aptos", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --ease-standard: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-emphasis: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-foam);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(18, 103, 130, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(7, 22, 34, 0.06) 0 1px, transparent 1px 18px),
    var(--color-foam);
}

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

button {
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid rgba(242, 165, 65, 0.72);
  outline-offset: 3px;
}

.app-shell {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: var(--space-4);
}

.surface-card {
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  box-shadow: var(--shadow-card);
}

.surface-card--dark {
  border-color: rgba(255, 253, 246, 0.14);
  background: linear-gradient(140deg, var(--color-abyss), var(--color-deep-sea));
  color: var(--color-paper);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border: 1px solid rgba(18, 103, 130, 0.22);
  border-radius: 999px;
  background: rgba(255, 253, 246, 0.72);
  color: var(--color-deep-sea);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.display-title {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 13vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.muted-text {
  color: var(--color-muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 var(--space-5);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    background-color 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard);
}

.button:active {
  transform: scale(0.98);
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.48;
}

.button--primary {
  background: var(--color-compass);
  color: var(--color-abyss);
  box-shadow: 0 12px 30px rgba(242, 165, 65, 0.26);
}

.button--secondary {
  border: 1px solid rgba(11, 58, 83, 0.16);
  background: var(--color-paper);
  color: var(--color-deep-sea);
}

.button--danger {
  border: 1px solid rgba(196, 71, 57, 0.32);
  background: var(--color-danger-soft);
  color: var(--color-buoy);
}

.button--compact {
  min-height: 40px;
  padding: 0 var(--space-4);
}

.choice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  width: 100%;
  min-height: 56px;
  padding: var(--space-4);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  color: var(--color-ink);
  text-align: left;
  transition:
    transform 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard),
    background-color 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard);
}

.choice:active {
  transform: translateY(1px);
}

.choice__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(18, 103, 130, 0.1);
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 800;
}

.choice--selected {
  border-color: var(--color-harbor);
  background: #edf7fa;
  box-shadow: var(--shadow-pressed);
}

.choice--correct {
  border-color: rgba(31, 122, 86, 0.45);
  background: var(--color-correct-soft);
}

.choice--incorrect {
  border-color: rgba(196, 71, 57, 0.45);
  background: var(--color-danger-soft);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  background: rgba(11, 58, 83, 0.08);
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.status-chip--success {
  background: var(--color-correct-soft);
  color: var(--color-reef);
}

.status-chip--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.status-chip--danger {
  background: var(--color-danger-soft);
  color: var(--color-buoy);
}

.status-chip--context {
  background: rgba(18, 103, 130, 0.12);
  color: var(--color-harbor);
}

.progress-track {
  overflow: hidden;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(11, 58, 83, 0.12);
}

.progress-track__bar {
  width: var(--progress, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-harbor), var(--color-compass));
  transition: width 240ms var(--ease-emphasis);
}

.bottom-action-bar {
  position: sticky;
  bottom: 0;
  z-index: 20;
  margin: var(--space-5) calc(var(--space-4) * -1) 0;
  padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(11, 58, 83, 0.12);
  background: rgba(247, 243, 232, 0.9);
  backdrop-filter: blur(14px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#app {
  min-height: 100dvh;
}

a {
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.app-header {
  position: sticky;
  top: var(--space-3);
  z-index: 30;
  display: flex;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  padding: var(--space-3);
  border: 1px solid rgba(11, 58, 83, 0.1);
  border-radius: 999px;
  background: rgba(247, 243, 232, 0.86);
  box-shadow: 0 14px 38px rgba(7, 22, 34, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: var(--space-3);
  align-items: center;
  color: var(--color-abyss);
  text-decoration: none;
}

.brand__mark {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(11, 58, 83, 0.18);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(242, 165, 65, 0.24), transparent 46%),
    var(--color-paper);
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: var(--shadow-pressed);
}

.brand__mark::before {
  content: none;
}

.brand__mark::after {
  content: none;
}

.brand__mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.nav-links {
  display: none;
  gap: var(--space-2);
  align-items: center;
}

.nav-links a {
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  color: var(--color-deep-sea);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.nav-links a.is-active {
  background: rgba(18, 103, 130, 0.1);
}

.context-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin: calc(var(--space-3) * -1) 0 var(--space-5);
}

.route-level-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: calc(var(--space-4) * -1);
}

.route-level-switcher__item {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.14);
  border-radius: 999px;
  background: rgba(255, 253, 246, 0.78);
  color: var(--color-deep-sea);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.route-level-switcher__item.is-active {
  border-color: rgba(18, 103, 130, 0.28);
  background: rgba(18, 103, 130, 0.12);
}

.view-stack,
.section-stack,
.study-form,
.choices-list,
.discipline-list {
  display: grid;
  gap: var(--space-4);
}

.loading-view {
  display: grid;
  min-height: 100dvh;
  place-items: center;
}

.loading-card,
.error-card,
.empty-state {
  width: min(100%, 760px);
  padding: var(--space-6);
}

.loading-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.loading-grid span {
  display: block;
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(216, 227, 231, 0.32), rgba(18, 103, 130, 0.16), rgba(216, 227, 231, 0.32));
  background-size: 220% 100%;
  animation: scan-line 1.4s var(--ease-standard) infinite;
}

.loading-grid span:nth-child(2) {
  width: 78%;
}

.loading-grid span:nth-child(3) {
  width: 52%;
}

.hero {
  position: relative;
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
  padding: var(--space-6);
}

.hero::after {
  position: absolute;
  inset: auto -90px -150px auto;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255, 253, 246, 0.16);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 49%, rgba(255, 253, 246, 0.12) 49% 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, rgba(255, 253, 246, 0.12) 49% 51%, transparent 51%);
  content: "";
}

.hero__copy,
.hero__panel {
  position: relative;
  z-index: 1;
}

.hero__copy {
  display: grid;
  gap: var(--space-4);
}

.hero__copy p {
  max-width: 62ch;
  margin: 0;
  color: rgba(255, 253, 246, 0.78);
  font-size: 1.08rem;
}

.hero__title {
  color: var(--color-paper);
}

.eyebrow--dark {
  border-color: rgba(255, 253, 246, 0.2);
  background: rgba(255, 253, 246, 0.1);
  color: var(--color-paper);
}

.button--ghost-dark {
  border: 1px solid rgba(255, 253, 246, 0.22);
  background: rgba(255, 253, 246, 0.08);
  color: var(--color-paper);
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.inline-actions--compact {
  gap: var(--space-2);
}

.hero__panel {
  padding: var(--space-5);
  border: 1px solid rgba(255, 253, 246, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 246, 0.08);
  backdrop-filter: blur(16px);
}

.panel-line {
  display: block;
  width: 100%;
  height: 3px;
  margin-bottom: var(--space-5);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-compass), rgba(255, 253, 246, 0.18));
}

.metric-list,
.level-card__stats,
.summary-strip,
.mini-spec {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.metric-list div,
.level-card__stats div,
.summary-strip div,
.mini-spec div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.metric-list dt,
.level-card__stats dt,
.summary-strip dt,
.mini-spec dt {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .metric-list dt {
  color: rgba(255, 253, 246, 0.66);
}

.metric-list dd,
.level-card__stats dd,
.summary-strip dd,
.mini-spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 800;
}

.hero .metric-list dd {
  color: var(--color-paper);
  font-size: 1.6rem;
}

.brand-hero {
  position: relative;
  display: grid;
  gap: var(--space-6);
  overflow: hidden;
  padding: clamp(var(--space-6), 7vw, 72px);
  background:
    radial-gradient(circle at 88% 18%, rgba(242, 165, 65, 0.28), transparent 24%),
    radial-gradient(circle at 18% 12%, rgba(18, 103, 130, 0.34), transparent 28%),
    linear-gradient(145deg, #06111c 0%, #0b3148 48%, #092033 100%);
}

.brand-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 253, 246, 0.04) 1px, transparent 1px 42px),
    linear-gradient(0deg, rgba(255, 253, 246, 0.035) 1px, transparent 1px 42px);
  content: "";
  mask-image: linear-gradient(135deg, #000 0%, transparent 72%);
}

.brand-hero::after {
  position: absolute;
  right: -110px;
  bottom: -150px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 253, 246, 0.15);
  border-radius: 50%;
  background:
    conic-gradient(from 22deg, transparent 0 18%, rgba(242, 165, 65, 0.24) 18% 20%, transparent 20% 50%, rgba(255, 253, 246, 0.12) 50% 51%, transparent 51%),
    radial-gradient(circle, transparent 0 58%, rgba(255, 253, 246, 0.08) 59% 60%, transparent 61%);
  content: "";
}

.brand-hero__copy,
.brand-card {
  position: relative;
  z-index: 1;
}

.brand-hero__copy {
  display: grid;
  gap: var(--space-4);
  align-content: center;
}

.brand-hero__copy p {
  max-width: 68ch;
  margin: 0;
  color: rgba(255, 253, 246, 0.78);
  font-size: 1.08rem;
}

.brand-hero__slogan {
  color: var(--color-compass) !important;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-card {
  display: grid;
  gap: var(--space-4);
  align-content: center;
  min-height: 360px;
  padding: var(--space-6);
  border: 1px solid rgba(255, 253, 246, 0.18);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 253, 246, 0.15), rgba(255, 253, 246, 0.05)),
    rgba(255, 253, 246, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 253, 246, 0.16);
  backdrop-filter: blur(18px);
}

.brand-card p,
.brand-card strong,
.brand-card span {
  margin: 0;
}

.brand-card p {
  color: var(--color-compass);
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0.18em;
}

.brand-card strong {
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 6vw, 3rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.brand-card span {
  color: rgba(255, 253, 246, 0.68);
  font-weight: 700;
}

.brand-emblem {
  position: relative;
  display: grid;
  place-items: center;
  width: 136px;
  height: 136px;
  border: 1px solid rgba(255, 253, 246, 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(242, 165, 65, 0.22), transparent 58%),
    rgba(7, 22, 34, 0.46);
}

.brand-emblem::before,
.brand-emblem::after {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 253, 246, 0.2);
  content: "";
}

.brand-emblem::before {
  width: 92px;
  height: 1px;
}

.brand-emblem::after {
  width: 1px;
  height: 92px;
}

.brand-emblem__sail {
  position: relative;
  z-index: 1;
  width: 58px;
  height: 72px;
  clip-path: polygon(50% 0, 100% 100%, 50% 78%, 0 100%);
  background: linear-gradient(160deg, var(--color-paper), var(--color-compass));
}

.brand-emblem__wake {
  position: absolute;
  bottom: 33px;
  width: 76px;
  height: 4px;
  border-radius: 999px;
  background: var(--color-compass);
}

.proof-strip {
  display: grid;
  gap: var(--space-3);
}

.proof-item {
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.1);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 253, 246, 0.92), rgba(216, 227, 231, 0.42)),
    var(--color-paper);
}

.proof-item strong,
.proof-item span {
  display: block;
}

.proof-item strong {
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 9vw, 3rem);
  line-height: 1;
}

.proof-item span {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-weight: 800;
}

.section-header--split {
  gap: var(--space-4);
}

.section-header--split p {
  max-width: 48ch;
}

.value-grid {
  display: grid;
  gap: var(--space-4);
}

.value-card {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  padding: var(--space-5);
  background:
    linear-gradient(140deg, rgba(18, 103, 130, 0.08), transparent 46%),
    var(--color-paper);
}

.value-card--wide {
  background:
    radial-gradient(circle at 18% 22%, rgba(242, 165, 65, 0.2), transparent 32%),
    linear-gradient(140deg, rgba(18, 103, 130, 0.12), transparent 46%),
    var(--color-paper);
}

.value-card--accent {
  border-color: rgba(242, 165, 65, 0.44);
  background:
    linear-gradient(135deg, rgba(242, 165, 65, 0.2), transparent 42%),
    var(--color-paper);
}

.value-card__index {
  width: max-content;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: rgba(11, 58, 83, 0.08);
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.value-card h3,
.library-band h2 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 5vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.value-card p,
.library-band p {
  margin: 0;
}

.text-link {
  width: max-content;
  color: var(--color-harbor);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.library-band {
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
  padding: var(--space-6);
  background:
    linear-gradient(90deg, rgba(18, 103, 130, 0.1) 0 1px, transparent 1px 28px),
    linear-gradient(0deg, rgba(18, 103, 130, 0.07) 0 1px, transparent 1px 28px),
    var(--color-paper);
}

.support-band {
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
  padding: clamp(var(--space-5), 6vw, 64px);
  border-color: rgba(242, 165, 65, 0.34);
  background:
    radial-gradient(circle at 88% 16%, rgba(242, 165, 65, 0.22), transparent 26%),
    linear-gradient(135deg, rgba(18, 103, 130, 0.08), transparent 46%),
    var(--color-paper);
}

.support-band__copy,
.support-card {
  display: grid;
  gap: var(--space-4);
}

.support-page__title {
  max-width: 11ch;
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  line-height: 0.96;
}

.support-band__copy h2,
.support-card strong {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: -0.04em;
}

.support-band__copy h2 {
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  max-width: 16ch;
}

.support-band__copy p,
.support-card__note {
  margin: 0;
}

.support-band__copy p {
  max-width: 64ch;
}

.support-code {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 246, 0.76);
}

.support-code__label {
  color: var(--color-deep-sea);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.support-code code {
  overflow-wrap: anywhere;
  color: var(--color-abyss);
  font-size: 0.98rem;
}

.support-card {
  align-content: start;
  padding: var(--space-5);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 246, 0.72);
  box-shadow: var(--shadow-pressed);
}

.support-card__qr {
  display: block;
  width: min(100%, 320px);
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.support-card strong {
  font-size: clamp(1.35rem, 4vw, 1.9rem);
}

.support-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-ink);
}

.support-list li::marker {
  color: var(--color-harbor);
}

.support-card__note {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.library-band__copy {
  display: grid;
  gap: var(--space-4);
}

.library-card {
  padding: var(--space-5);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 246, 0.76);
  box-shadow: var(--shadow-pressed);
}

.library-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
  padding: clamp(var(--space-6), 6vw, 72px);
  background:
    radial-gradient(circle at 80% 18%, rgba(242, 165, 65, 0.28), transparent 30%),
    linear-gradient(140deg, var(--color-abyss), var(--color-deep-sea));
}

.library-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 253, 246, 0.04) 1px, transparent 1px 36px),
    linear-gradient(0deg, rgba(255, 253, 246, 0.04) 1px, transparent 1px 36px);
  content: "";
  mask-image: linear-gradient(135deg, #000 18%, transparent 88%);
  pointer-events: none;
}

.library-hero__copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-5);
  align-content: center;
}

.library-hero__title {
  max-width: 10ch;
  color: var(--color-paper);
  text-shadow: 0 10px 30px rgba(4, 12, 20, 0.45);
}

.library-hero__copy p,
.library-hero__lede {
  max-width: 68ch;
  margin: 0;
  color: rgba(255, 253, 246, 0.84);
}

.library-hero__lede {
  font-size: 1.08rem;
  line-height: 1.6;
}

.library-hero__nav {
  gap: var(--space-2);
}

.library-hero__panel {
  position: relative;
  z-index: 1;
  align-self: stretch;
  padding: var(--space-5);
  border: 1px solid rgba(255, 253, 246, 0.18);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(255, 253, 246, 0.12), rgba(255, 253, 246, 0.04)),
    rgba(255, 253, 246, 0.06);
  backdrop-filter: blur(12px);
}

.metric-list--light dt,
.metric-list--light dd {
  color: var(--color-paper);
}

.metric-list--light dt {
  opacity: 0.72;
}

.library-notice {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border-color: rgba(242, 165, 65, 0.34);
  background:
    linear-gradient(135deg, rgba(242, 165, 65, 0.16), transparent 42%),
    var(--color-paper);
}

.library-notice p {
  max-width: 86ch;
  margin: 0;
}

.library-section {
  scroll-margin-top: var(--space-7);
}

.library-resource-grid {
  display: grid;
  gap: var(--space-4);
}

.library-resource {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-content: start;
  height: 100%;
  padding: var(--space-5);
  background:
    linear-gradient(140deg, rgba(18, 103, 130, 0.08), transparent 42%),
    var(--color-paper);
  transition:
    transform 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard);
}

.library-resource:hover,
.library-resource:focus-within {
  transform: translateY(-2px);
  border-color: rgba(18, 103, 130, 0.26);
  box-shadow: 0 22px 58px rgba(7, 22, 34, 0.15);
}

.library-resource__header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  align-items: center;
}

.library-resource__body {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.library-resource__type,
.library-resource__format,
.library-resource__tags span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
}

.library-resource__type {
  background: rgba(18, 103, 130, 0.1);
  color: var(--color-deep-sea);
}

.library-resource__format {
  background: rgba(242, 165, 65, 0.2);
  color: #7a4311;
}

.library-resource h3 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.6vw, 1.9rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
}

.library-resource p {
  margin: 0;
  color: var(--color-muted);
}

.library-resource__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.library-resource__tags span {
  border: 1px solid rgba(11, 58, 83, 0.12);
  background: rgba(255, 253, 246, 0.8);
  color: var(--color-muted);
}

.library-resource__link {
  justify-self: start;
  align-self: end;
  margin-top: var(--space-4);
}

.section-header {
  display: grid;
  gap: var(--space-2);
}

.section-header h1,
.section-header h2,
.level-hero h1,
.feature-card h2,
.form-card h1,
.setup-note h2,
.question-card h2,
.summary-card h1,
.empty-state h1,
.error-card h1 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: -0.035em;
}

.section-header h1 {
  font-size: clamp(2rem, 8vw, 4rem);
}

.section-header h2,
.level-hero h1,
.form-card h1,
.summary-card h1 {
  font-size: clamp(1.8rem, 7vw, 3rem);
}

.section-header p,
.level-card p,
.feature-card p,
.form-card p,
.setup-note p,
.empty-state p,
.error-card p {
  margin: 0;
}

.section-header--compact h2 {
  font-size: clamp(1.4rem, 5vw, 2rem);
}

.level-grid {
  display: grid;
  gap: var(--space-4);
}

.level-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    transform 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard);
}

.level-card:hover,
.level-card:focus-visible {
  border-color: rgba(18, 103, 130, 0.34);
  box-shadow: 0 24px 70px rgba(7, 22, 34, 0.16);
  transform: translateY(-2px);
}

.level-card__code,
.question-number {
  width: max-content;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: rgba(242, 165, 65, 0.18);
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
}

.level-card h2 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.level-card__note {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.level-hero,
.form-card,
.setup-note,
.feature-card,
.discipline-panel,
.summary-card,
.question-card {
  padding: var(--space-5);
}

.level-hero {
  display: grid;
  gap: var(--space-5);
}

.hub-grid,
.setup-grid,
.summary-grid {
  display: grid;
  gap: var(--space-4);
}

.feature-card {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.feature-card--primary {
  border-color: rgba(242, 165, 65, 0.44);
  background:
    linear-gradient(135deg, rgba(242, 165, 65, 0.16), transparent 42%),
    var(--color-paper);
}

.feature-card--disabled {
  opacity: 0.72;
}

.field-group {
  display: grid;
  gap: var(--space-2);
  color: var(--color-deep-sea);
  font-weight: 800;
}

.select-input {
  width: 100%;
  min-height: 52px;
  padding: 0 var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.18);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  color: var(--color-ink);
}

.filter-summary,
.technical-note {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(18, 103, 130, 0.08);
  color: var(--color-deep-sea);
  font-weight: 700;
}

.resume-banner {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid rgba(31, 122, 86, 0.2);
  border-radius: var(--radius-md);
  background: var(--color-correct-soft);
}

.resume-banner strong,
.resume-banner span {
  display: block;
}

.resume-banner span {
  color: var(--color-muted);
}

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

.exam-rule-grid div {
  min-height: 96px;
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(18, 103, 130, 0.08), transparent 48%),
    rgba(255, 253, 246, 0.72);
}

.exam-rule-grid strong,
.exam-rule-grid span {
  display: block;
}

.exam-rule-grid strong {
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 5vw, 2rem);
  line-height: 1;
}

.exam-rule-grid span {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mini-spec {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(11, 58, 83, 0.12);
}

.practice-layout {
  display: grid;
  gap: var(--space-4);
  padding-bottom: 96px;
}

.exam-question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-4);
}

.question-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(11, 58, 83, 0.18);
  border-radius: 999px;
  background: var(--color-paper);
  color: var(--color-deep-sea);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
}

.question-dot.is-active {
  border-color: var(--color-compass);
  background: var(--color-compass);
  color: var(--color-abyss);
}

.question-dot.is-answered:not(.is-active) {
  border-color: rgba(31, 122, 86, 0.32);
  background: var(--color-correct-soft);
  color: var(--color-reef);
}

.question-dot--pending {
  border-color: rgba(196, 71, 57, 0.28);
  background: var(--color-danger-soft);
  color: var(--color-buoy);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.modal-overlay__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(7, 22, 34, 0.4);
  cursor: pointer;
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 680px);
  padding: var(--space-5);
}

.exam-finish-modal,
.exam-finish-modal__dots {
  display: grid;
  gap: var(--space-4);
}

.exam-finish-modal h2 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.exam-finish-modal p {
  margin: 0;
}

.exam-finish-modal__dots {
  grid-template-columns: repeat(auto-fit, minmax(40px, 40px));
}

.exam-finish-modal__actions .button {
  flex: 1 1 220px;
}

.session-topline {
  display: grid;
  gap: var(--space-3);
}

.session-topline h1 {
  margin: var(--space-2) 0 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.session-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.question-card {
  display: grid;
  gap: var(--space-5);
}

.context-panel,
.attachment-group {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(18, 103, 130, 0.08), transparent 52%),
    rgba(255, 253, 246, 0.88);
}

.context-panel__header,
.context-panel__meta,
.attachment-stack,
.attachment-gallery {
  display: grid;
  gap: var(--space-3);
}

.context-panel__meta {
  display: flex;
  flex-wrap: wrap;
}

.context-panel__body {
  display: grid;
  gap: var(--space-3);
}

.context-panel__body p,
.attachment-figure {
  margin: 0;
}

.attachment-group__header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: space-between;
}

.attachment-figure {
  display: grid;
  gap: var(--space-2);
}

.attachment-figure img {
  width: 100%;
  border-radius: var(--radius-sm);
}

.attachment-figure figcaption {
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.attachment-links .button {
  width: 100%;
  justify-content: flex-start;
}

.flashcard-card {
  display: grid;
  gap: var(--space-5);
  min-height: 420px;
  padding: var(--space-6);
  align-content: center;
  background:
    linear-gradient(145deg, rgba(242, 165, 65, 0.12), transparent 42%),
    linear-gradient(90deg, rgba(11, 58, 83, 0.04) 0 1px, transparent 1px 22px),
    var(--color-paper);
}

.flashcard-card h2 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 7vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.flashcard-card.is-revealed {
  border-color: rgba(31, 122, 86, 0.28);
}

.flashcard-answer {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-5);
  border: 1px solid rgba(31, 122, 86, 0.28);
  border-radius: var(--radius-lg);
  background: var(--color-correct-soft);
}

.flashcard-answer span {
  color: var(--color-reef);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.flashcard-answer strong {
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(2rem, 10vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.question-card__header {
  display: grid;
  gap: var(--space-4);
}

.question-card h2 {
  margin-top: var(--space-3);
  font-size: clamp(1.35rem, 5vw, 2.4rem);
  line-height: 1.12;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.question-meta span {
  min-height: 32px;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: rgba(11, 58, 83, 0.08);
  color: var(--color-deep-sea);
  font-size: 0.84rem;
  font-weight: 800;
}

.media-block {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px dashed rgba(11, 58, 83, 0.22);
  border-radius: var(--radius-md);
  background: rgba(216, 227, 231, 0.24);
}

.media-block img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.choice__content {
  display: grid;
  gap: var(--space-2);
}

.choice__state {
  color: var(--color-deep-sea);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.feedback-card {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.feedback-card--success {
  border: 1px solid rgba(31, 122, 86, 0.32);
  background: var(--color-correct-soft);
  color: var(--color-reef);
}

.feedback-card--danger {
  border: 1px solid rgba(196, 71, 57, 0.32);
  background: var(--color-danger-soft);
  color: var(--color-buoy);
}

.bottom-action-bar__inner {
  display: flex;
  gap: var(--space-3);
  justify-content: space-between;
  width: min(100%, 1120px);
  margin: 0 auto;
}

.bottom-action-bar__inner .button {
  flex: 1;
}

.result-number {
  margin: var(--space-4) 0;
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: clamp(3rem, 18vw, 6rem);
  font-weight: 800;
  line-height: 0.9;
}

.discipline-row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(11, 58, 83, 0.1);
}

.discipline-row:last-child {
  border-bottom: 0;
}

.discipline-row strong,
.discipline-row span {
  display: block;
}

.discipline-row span {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.answer-key-panel {
  padding: var(--space-5);
}

.answer-key-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.answer-key-item {
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 246, 0.72);
}

.answer-key-item summary {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  cursor: pointer;
  font-weight: 800;
}

.answer-key-body {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.answer-key-body p {
  margin: 0;
}

.text-success {
  color: var(--color-reef);
}

.text-danger {
  color: var(--color-buoy);
}

.site-footer {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-7);
  padding: clamp(var(--space-5), 6vw, 56px) var(--space-5) var(--space-5);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 88% 18%, rgba(242, 165, 65, 0.16), transparent 28%),
    linear-gradient(135deg, rgba(18, 103, 130, 0.08), transparent 44%),
    rgba(255, 253, 246, 0.86);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.site-footer a,
.site-footer button {
  color: inherit;
  font: inherit;
  font-weight: 800;
  text-align: left;
  text-decoration: none;
}

.site-footer button {
  width: max-content;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.site-footer__brand,
.site-footer__column {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.site-footer__brand p {
  max-width: 36ch;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.site-footer__logo {
  width: min(100%, 260px);
  height: auto;
  border-radius: 18px;
}

.site-footer__eyebrow {
  color: var(--color-deep-sea);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(11, 58, 83, 0.12);
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-footer__credit {
  color: var(--color-deep-sea) !important;
  text-decoration: underline;
  text-decoration-color: var(--color-compass);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.cookie-banner {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  left: var(--space-4);
  z-index: 50;
  display: grid;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 246, 0.94);
  box-shadow: 0 24px 70px rgba(7, 22, 34, 0.2);
  backdrop-filter: blur(18px);
}

.cookie-banner strong,
.cookie-banner p {
  display: block;
  margin: 0;
}

.cookie-banner strong {
  color: var(--color-abyss);
}

.cookie-banner p {
  margin-top: var(--space-2);
  color: var(--color-muted);
}

.cookie-banner a {
  color: var(--color-deep-sea);
  font-weight: 800;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.cookie-modal__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(7, 22, 34, 0.46);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.cookie-modal__card {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-4);
  width: min(100%, 720px);
  max-height: min(760px, calc(100dvh - 32px));
  overflow: auto;
  padding: var(--space-6);
  background:
    linear-gradient(140deg, rgba(242, 165, 65, 0.08), transparent 40%),
    var(--color-paper);
}

.cookie-modal__header {
  display: grid;
  gap: var(--space-3);
}

.cookie-modal__header h2 {
  margin: var(--space-2) 0 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  font-size: clamp(2rem, 9vw, 3.6rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.cookie-options {
  display: grid;
  gap: var(--space-3);
}

.cookie-option {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  border: 1px solid rgba(11, 58, 83, 0.12);
  border-radius: var(--radius-md);
  background: rgba(247, 243, 232, 0.72);
}

.cookie-option strong,
.cookie-option small {
  display: block;
}

.cookie-option strong {
  color: var(--color-deep-sea);
}

.cookie-option small {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.88rem;
}

.cookie-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cookie-switch {
  position: relative;
  width: 56px;
  height: 32px;
  border-radius: 999px;
  background: var(--color-mist);
  transition: background-color 180ms var(--ease-standard);
}

.cookie-switch::after {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-paper);
  box-shadow: var(--shadow-pressed);
  content: "";
  transition: transform 180ms var(--ease-standard);
}

.cookie-option input:checked + .cookie-switch {
  background: var(--color-deep-sea);
}

.cookie-option input:checked + .cookie-switch::after {
  transform: translateX(24px);
}

.cookie-option__badge {
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  background: rgba(242, 165, 65, 0.2);
  color: var(--color-deep-sea);
  font-size: 0.78rem;
  font-weight: 800;
}

.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cookie-modal__note {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.privacy-page {
  max-width: 1180px;
}

.privacy-card {
  display: grid;
  gap: var(--space-5);
  padding: clamp(var(--space-5), 6vw, 64px);
}

.privacy-card h1,
.privacy-card h2 {
  margin: 0;
  color: var(--color-abyss);
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: -0.04em;
}

.privacy-card h1 {
  font-size: clamp(2.4rem, 10vw, 4.6rem);
}

.privacy-card h2 {
  font-size: clamp(1.5rem, 5vw, 2.1rem);
}

.privacy-card section {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(11, 58, 83, 0.1);
}

.privacy-card p {
  margin: 0;
}

.privacy-card a:not(.button) {
  color: var(--color-deep-sea);
  font-weight: 800;
}

[hidden] {
  display: none !important;
}

@media (max-width: 767px) {
  .cookie-banner__actions .button,
  .cookie-modal__actions .button {
    width: 100%;
  }

  .site-footer__logo {
    width: min(100%, 220px);
  }
}

@keyframes scan-line {
  from {
    background-position: 120% 0;
  }

  to {
    background-position: -120% 0;
  }
}

@media (min-width: 768px) {
  .app-shell {
    padding: var(--space-6);
  }

  .nav-links {
    display: flex;
  }

  .hero,
  .brand-hero,
  .library-hero,
  .support-band,
  .library-band,
  .setup-grid,
  .summary-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  }

  .proof-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .section-header--split {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.5fr);
    align-items: end;
  }

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

  .value-card--wide {
    grid-column: span 2;
  }

  .level-grid,
  .hub-grid,
  .library-resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .library-resource-grid--compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr) minmax(180px, 0.5fr);
  }

  .site-footer__bottom {
    grid-column: 1 / -1;
  }

  .cookie-banner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .cookie-modal__header {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .session-topline,
  .question-card__header,
  .resume-banner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .context-panel__header {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

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

  .attachment-links .button {
    width: auto;
  }

  .bottom-action-bar__inner .button {
    flex: 0 1 auto;
    min-width: 220px;
  }
}

@media (min-width: 1040px) {
  .level-grid,
  .hub-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .value-grid {
    grid-template-columns: 1.08fr 0.92fr 0.92fr;
  }

  .value-card--wide {
    grid-column: span 1;
    grid-row: span 2;
  }

  .hub-grid {
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}