.learning-page .site-shell {
  min-height: 100dvh;
}

.learn-skip-link {
  position: absolute;
  z-index: 5;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  transform: translateY(-160%);
  border: 1px solid var(--teal);
  color: var(--paper);
  background: var(--surface-raised);
}

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

.learn-main {
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 5vw, 4.25rem) clamp(4rem, 8vw, 7rem);
}

.learn-review-banner {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  margin: 0 0 clamp(2.25rem, 5vw, 4.5rem);
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(19, 233, 236, 0.32);
  color: #9ee4e3;
  background: rgba(19, 233, 236, 0.055);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.learn-hero {
  max-width: 890px;
  padding: 0 0 clamp(3rem, 6vw, 5rem);
}

.learn-eyebrow {
  margin: 0 0 0.8rem;
  color: #91aaa5;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.learn-hero h1 {
  max-width: 12ch;
  margin: 0;
  color: #f2f2ee;
  font-size: clamp(2.9rem, 7.8vw, 5.75rem);
  font-weight: 350;
  letter-spacing: -0.055em;
  line-height: 0.99;
  text-wrap: balance;
}

.learn-lede {
  max-width: 66ch;
  margin: 1.35rem 0 0;
  color: #c5cfcc;
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
  line-height: 1.7;
}

.learn-index-section,
.learn-story-section,
.learn-allocation-section,
.learn-principles-section,
.learn-references {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
}

.learn-section-heading {
  max-width: 780px;
  margin-bottom: 1.6rem;
}

.learn-section-heading h2,
.learn-next-note h2,
.learn-risk-note h2,
.learn-signup h2 {
  margin: 0;
  color: #f0f2ef;
  font-size: clamp(1.7rem, 3.8vw, 2.65rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
  text-wrap: balance;
}

.learn-section-lede {
  max-width: 62ch;
  margin: 0.85rem 0 0;
  color: #aab8b4;
  font-size: 0.98rem;
  line-height: 1.65;
}

.learn-index-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.learn-index-feature + .learn-index-feature {
  border-top: 0;
}

.learn-faq {
  max-width: 900px;
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
}

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

.learn-faq__item:last-child {
  border-bottom: 1px solid var(--line);
}

.learn-faq__item > summary {
  position: relative;
  padding: 1.15rem 2.25rem 1.15rem 0;
  color: #eef2ef;
  cursor: pointer;
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  font-weight: 500;
  line-height: 1.45;
  list-style: none;
}

.learn-faq__item > summary::-webkit-details-marker {
  display: none;
}

.learn-faq__item > summary::after {
  position: absolute;
  top: 50%;
  right: 0.3rem;
  color: #91aaa5;
  content: "+";
  font-size: 1.35rem;
  font-weight: 350;
  transform: translateY(-50%);
}

.learn-faq__item[open] > summary::after {
  content: "−";
}

.learn-faq__item > summary:hover,
.learn-faq__item > summary:focus-visible {
  color: #b4e6e0;
}

.learn-faq__item > summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-faq__answer {
  max-width: 76ch;
  padding: 0 2rem 1.2rem 0;
  color: #c3cfcb;
  font-size: 0.95rem;
  line-height: 1.7;
}

.learn-faq__answer p {
  margin: 0.35rem 0 0;
}

.learn-faq__answer a:not(.learn-ref-marker) {
  color: #b4e6e0;
  text-decoration: underline;
  text-decoration-color: rgba(19, 233, 236, 0.4);
  text-underline-offset: 0.2em;
}

.learn-faq__references {
  max-width: 900px;
}

.learn-mwr-example {
  margin: 1rem 0 0.85rem;
}

.learn-mwr-example__caption {
  padding: 0.8rem;
  color: #aab8b4;
  font-size: 0.82rem;
  line-height: 1.5;
  text-align: left;
}

.learn-mwr-example .learn-etf-table {
  min-width: 0;
  table-layout: fixed;
  font-size: 0.82rem;
}

.learn-mwr-example .learn-etf-table th,
.learn-mwr-example .learn-etf-table td {
  padding: 0.7rem 0.65rem;
}

.learn-mwr-example .learn-etf-table tbody th {
  width: 34%;
  font-size: 0.82rem;
}

.learn-mwr-example .learn-etf-table tbody td {
  color: #d2dbd7;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.learn-mwr-example--returns .learn-etf-table tbody td {
  white-space: nowrap;
}

.learn-mwr-example__note {
  color: #aab8b4;
  font-size: 0.8rem;
  line-height: 1.65;
}

.learn-etf-table-wrap {
  margin-top: 1.25rem;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.learn-etf-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.learn-etf-table thead {
  color: #91aaa5;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.learn-etf-table th,
.learn-etf-table td {
  padding: 0.95rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.learn-etf-table thead th:first-child,
.learn-etf-table tbody th {
  width: 14rem;
}

.learn-etf-table tbody th {
  color: #eef2ef;
  font-size: 0.95rem;
  font-weight: 550;
  line-height: 1.45;
}

.learn-etf-foldable > summary {
  padding: 0.25rem 0;
  color: #b4e6e0;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.45;
}

.learn-etf-foldable > summary:hover {
  color: var(--teal);
}

.learn-etf-foldable > summary:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-etf-foldable[open] > summary {
  margin-bottom: 0.25rem;
}

.learn-etf-choices {
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-etf-choice {
  display: grid;
  grid-template-columns: minmax(17rem, 1.6fr) minmax(8rem, 0.85fr) minmax(10rem, 1fr) auto;
  align-items: center;
  gap: 0.6rem 1rem;
  padding: 0.7rem 0;
  color: #d2dbd7;
  font-size: 0.8rem;
  line-height: 1.45;
}

.learn-etf-choice + .learn-etf-choice {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.learn-etf-choice__fund strong {
  color: #eef2ef;
  font-size: 0.88rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.learn-etf-choice__fund small {
  display: block;
  margin-top: 0.2rem;
  color: #9daaa6;
  font-size: 0.76rem;
}

.learn-etf-choice__market,
.learn-etf-choice__fee {
  color: #c4d0cc;
}

.learn-etf-choice a {
  white-space: nowrap;
  color: #b4e6e0;
  text-decoration: underline;
  text-decoration-color: rgba(19, 233, 236, 0.4);
  text-underline-offset: 0.2em;
}

.learn-etf-choice a:hover,
.learn-etf-choice a:focus-visible {
  color: var(--teal);
}

.learn-implementation-note {
  max-width: 90ch;
  margin: 1.4rem 0;
  padding: 1.15rem 1.3rem;
  border-left: 3px solid rgba(19, 233, 236, 0.55);
  background: rgba(19, 233, 236, 0.045);
}

.learn-implementation-note .learn-eyebrow {
  margin-bottom: 0.35rem;
}

.learn-implementation-note h3 {
  margin: 0 0 0.65rem;
  color: #eef2ef;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 500;
  line-height: 1.35;
}

.learn-implementation-note p:not(.learn-eyebrow) {
  margin: 0.55rem 0 0;
  color: #c3cfcb;
  font-size: 0.9rem;
  line-height: 1.65;
}

.learn-principle-list__index {
  color: var(--teal);
  font-variant-numeric: tabular-nums;
  font-size: 0.83rem;
  letter-spacing: 0.08em;
}

.learn-index-feature h3 {
  margin: 0;
  color: #f2f2ee;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 450;
  line-height: 1.25;
}

.learn-index-feature h3 a,
.learn-return-link a,
.learn-breadcrumbs a {
  text-decoration: underline;
  text-decoration-color: rgba(19, 233, 236, 0.45);
  text-underline-offset: 0.25em;
}

.learn-index-feature h3 a:hover,
.learn-index-feature h3 a:focus-visible,
.learn-return-link a:hover,
.learn-breadcrumbs a:hover {
  color: var(--teal);
}

.learn-index-feature p {
  max-width: 58ch;
  margin: 0.6rem 0 0;
  color: #aebbb8;
  font-size: 0.95rem;
  line-height: 1.6;
}

.learn-product-callout {
  max-width: 70ch;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
}

.learn-product-callout p {
  margin: 0;
  color: #f2f2ee;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 450;
  line-height: 1.25;
}

.learn-product-callout a {
  display: inline-flex;
  gap: 0.35rem;
  margin-top: 0.65rem;
  color: #b4e6e0;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.6;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.learn-product-callout a:hover,
.learn-product-callout a:focus-visible {
  color: var(--teal);
}

.learn-next-note,
.learn-risk-note {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 2px solid var(--teal);
  background: var(--surface);
}

.learn-next-note p:last-child,
.learn-risk-note p:last-child {
  max-width: 70ch;
  margin: 0.85rem 0 0;
  color: #b4c0bd;
  font-size: 0.95rem;
  line-height: 1.7;
}

.learn-signup {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 2px solid var(--teal);
  background: var(--surface);
}

.learn-signup__copy {
  max-width: 70ch;
  margin: 0.85rem 0 0;
  color: #b4c0bd;
  font-size: 0.95rem;
  line-height: 1.7;
}

.learn-signup__privacy {
  max-width: 70ch;
  margin: 0.8rem 0 0;
  color: #899894;
  font-size: 0.82rem;
  line-height: 1.6;
}

.learn-signup__privacy a {
  color: #b4e6e0;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.learn-signup__button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--teal);
  color: #071312;
  background: var(--teal);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.learn-signup__button:hover,
.learn-signup__button:focus-visible {
  background: #70f3f3;
}

.learn-signup__button:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

.learn-signup__button:active {
  transform: translateY(1px);
}

.learn-disclaimer {
  max-width: 76ch;
  margin: 2rem 0 0;
  color: #899894;
  font-size: 0.82rem;
  line-height: 1.6;
}

.learn-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin: -1rem 0 2.5rem;
  color: #9aa8a4;
  font-size: 0.84rem;
}

.learn-hero--guide {
  padding-bottom: clamp(2.25rem, 4.5vw, 3.75rem);
}

.learn-story-section,
.learn-allocation-section,
.learn-principles-section,
.learn-references {
  margin-top: clamp(2.75rem, 6vw, 4.75rem);
}

.learn-copy-column {
  max-width: 76ch;
}

.learn-copy-column p,
.learn-source-note {
  margin: 0.8rem 0 0;
  color: #c0cbc8;
  font-size: 1rem;
  line-height: 1.75;
}

.learn-copy-column p:first-child {
  margin-top: 0;
}

.learn-rebalance-list {
  display: grid;
  gap: 0.55rem;
  margin: 0.6rem 0 0;
  padding-left: 1.25rem;
  color: #c0cbc8;
  font-size: 1rem;
  line-height: 1.7;
}

.learn-rebalance-list li::marker {
  color: #80e6e7;
}

.learn-rebalance-list strong {
  color: #eef2ef;
  font-weight: 600;
}

.learn-ref-marker {
  margin-left: 0.12rem;
  color: #80e6e7;
  font-size: 0.82em;
  text-decoration: underline;
  text-underline-offset: 0.17em;
}

.learn-ref-marker:hover,
.learn-ref-marker:focus-visible {
  color: #f2f2ee;
}

.learn-asset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-section-lede + .learn-asset-grid {
  margin-top: 1.25rem;
}

.learn-asset-card {
  min-height: 230px;
  padding: 1.2rem 1.15rem;
  border-top: 2px solid var(--asset-tone);
  background: var(--surface);
}

.learn-asset-card--stocks { --asset-tone: #54d9b1; }
.learn-asset-card--bonds { --asset-tone: #86a7ff; }
.learn-asset-card--cash { --asset-tone: #e0bd6c; }
.learn-asset-card--gold { --asset-tone: #f0a76d; }

.learn-asset-card__weight {
  margin: 0;
  color: var(--asset-tone);
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  font-weight: 550;
  letter-spacing: -0.03em;
}

.learn-asset-card__weight span {
  display: block;
  margin-top: 0.2rem;
  color: #899894;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.learn-asset-card h3 {
  margin: 1.1rem 0 0;
  color: #eef1ed;
  font-size: 1.05rem;
  font-weight: 550;
  line-height: 1.3;
}

.learn-asset-card > p:last-child {
  margin: 0.55rem 0 0;
  color: #aebbb8;
  font-size: 0.85rem;
  line-height: 1.55;
}

.learn-source-note {
  margin-top: 1rem;
  color: #91a09b;
  font-size: 0.85rem;
}

.learn-story-section--split {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(1.5rem, 5vw, 4rem);
}

.learn-story-section--split .learn-section-heading {
  margin-bottom: 0;
}

.learn-principle-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.learn-principle-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1.25rem 1.1rem 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.learn-principle-list li:nth-child(odd) {
  margin-right: 1.25rem;
}

.learn-principle-list h3 {
  margin: 0;
  color: #eef1ed;
  font-size: 1rem;
  font-weight: 550;
}

.learn-principle-list p {
  margin: 0.45rem 0 0;
  color: #aebbb8;
  font-size: 0.88rem;
  line-height: 1.6;
}

.learn-risk-note {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-left-color: #e0bd6c;
}

.learn-references {
  color: #aebbb8;
}

.learn-references ol {
  display: grid;
  gap: 0.75rem;
  max-width: 86ch;
  margin: 1rem 0 0;
  padding-left: 1.4rem;
  font-size: 0.84rem;
  line-height: 1.65;
}

.learn-references li {
  padding-left: 0.2rem;
  scroll-margin-top: 1rem;
}

.learn-references li:target {
  color: #edf2ee;
}

.learn-references a {
  color: #d7e0dc;
  text-decoration: underline;
  text-decoration-color: rgba(19, 233, 236, 0.4);
  text-underline-offset: 0.2em;
}

.learn-references a:hover,
.learn-references a:focus-visible {
  color: var(--teal);
}

.learn-return-link {
  margin: 2.5rem 0 0;
  color: #d7e0dc;
  font-size: 0.9rem;
}

.learn-page-transition {
  margin: -1.25rem 0 2.5rem;
}


.learn-backtest-status {
  margin: 0 0 clamp(2.75rem, 6vw, 4.75rem);
  padding: clamp(1.25rem, 3.2vw, 2.1rem) 0;
  border-top: 1px solid rgba(19, 233, 236, 0.38);
  border-bottom: 1px solid var(--line);
}

.learn-backtest-status h2 {
  max-width: 22ch;
  margin: 0;
  color: #f0f2ef;
  font-size: clamp(1.55rem, 3.3vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.16;
}

.learn-backtest-status > p:last-child {
  max-width: 74ch;
  margin: 0.85rem 0 0;
  color: #b4c0bd;
  font-size: 0.96rem;
  line-height: 1.7;
}

.learn-backtest-sleeves,
.learn-backtest-decisions {
  display: grid;
  gap: 0;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.learn-backtest-sleeves li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.learn-backtest-sleeves li span {
  color: #8fa39d;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-sleeves li strong {
  color: #e8eeea;
  font-size: 0.95rem;
  font-weight: 500;
}

.learn-backtest-sleeves li b {
  color: var(--teal);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 550;
}

.learn-backtest-measures {
  display: grid;
  gap: 1.05rem;
  margin: 0;
}

.learn-backtest-measures div {
  padding-left: 1rem;
  border-left: 1px solid rgba(19, 233, 236, 0.42);
}

.learn-backtest-measures dt {
  color: #eef1ed;
  font-size: 0.98rem;
  font-weight: 550;
}

.learn-backtest-measures dd {
  max-width: 65ch;
  margin: 0.35rem 0 0;
  color: #aebbb8;
  font-size: 0.9rem;
  line-height: 1.65;
}

.learn-backtest-decisions {
  max-width: 82ch;
  gap: 1rem;
  counter-reset: decision;
}

.learn-backtest-decisions li {
  position: relative;
  padding: 0 0 1rem 2.4rem;
  border-bottom: 1px solid var(--line);
  color: #aebbb8;
  font-size: 0.93rem;
  line-height: 1.65;
  counter-increment: decision;
}

.learn-backtest-decisions li::before {
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  content: counter(decision, decimal-leading-zero);
}

.learn-backtest-decisions strong {
  color: #e8eeea;
  font-weight: 550;
}

.learn-backtest-page .learn-references ol {
  max-width: 76ch;
}

.learn-backtest-page .learn-references li {
  padding-left: 0.15rem;
}

@media (max-width: 900px) {
  .learn-asset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learn-story-section--split {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
  }

}

@media (max-width: 560px) {
  .learn-main {
    padding: 1rem 1rem 4rem;
  }

  .learn-review-banner {
    margin-bottom: 2.5rem;
  }

  .learn-hero h1 {
    font-size: clamp(2.75rem, 14vw, 4.2rem);
  }

  .learn-asset-grid,
  .learn-principle-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-asset-card {
    min-height: 0;
    padding: 1.05rem;
  }

  .learn-principle-list li:nth-child(odd) {
    margin-right: 0;
  }

  .learn-etf-table thead {
    display: none;
  }

  .learn-etf-table tbody tr {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--line);
  }

  .learn-etf-table tbody th,
  .learn-etf-table tbody td {
    display: block;
    width: auto;
    padding: 0.35rem 0;
    border: 0;
  }

  .learn-etf-choice {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem;
    padding: 0.75rem 0;
  }

  .learn-etf-choice a {
    white-space: normal;
  }

}


.learn-backtest-results {
  margin-top: clamp(2.75rem, 6vw, 4.75rem);
}

.learn-backtest-chart {
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 2.4vw, 1.65rem);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.learn-backtest-chart h3 {
  margin: 0 0 1rem;
  color: #eef2ef;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 500;
}

.learn-backtest-drawdown {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.learn-backtest-drawdown-heading {
  max-width: 76ch;
  margin-bottom: 1.25rem;
}

.learn-backtest-drawdown-heading h3 {
  max-width: 24ch;
  margin: 0.3rem 0 0.75rem;
  color: #eef2ef;
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  font-weight: 500;
  line-height: 1.2;
}

.learn-backtest-drawdown-heading > p:last-child {
  max-width: 74ch;
  margin: 0;
  color: #aebbb8;
  line-height: 1.65;
}

.learn-backtest-chart--drawdown h4,
.learn-backtest-risk-note h4 {
  margin: 0 0 0.8rem;
  color: #eef2ef;
  font-size: 1rem;
  font-weight: 500;
}

.learn-backtest-svg .chart-line--drawdown {
  stroke-width: 2.6;
}

.learn-backtest-drawdown-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 760px) {
  .learn-backtest-drawdown-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.learn-backtest-drawdown-card {
  min-width: 0;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.learn-backtest-drawdown-card .learn-eyebrow {
  margin: 0;
}

.learn-backtest-drawdown-value {
  margin: 0.3rem 0 0.65rem;
  color: #f2f2ee;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.learn-backtest-drawdown-card > p:not(.learn-eyebrow, .learn-backtest-drawdown-value) {
  margin: 0.42rem 0 0;
  color: #aebbb8;
  font-size: 0.88rem;
  line-height: 1.55;
}

.learn-backtest-risk-note {
  max-width: 88ch;
  margin-top: 1.25rem;
  padding: 1.1rem 1.25rem;
  border-left: 3px solid rgba(19, 233, 236, 0.55);
  background: rgba(19, 233, 236, 0.045);
}

.learn-backtest-risk-note p {
  margin: 0;
  color: #c3cfcb;
  font-size: 0.9rem;
  line-height: 1.65;
}

.learn-backtest-risk-note a {
  color: #bce7e2;
  text-decoration-color: rgba(19, 233, 236, 0.5);
  text-underline-offset: 0.18em;
}

.learn-backtest-allocation-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem 1rem;
  margin-bottom: 0.8rem;
}

.learn-backtest-current-allocation {
  margin: 0;
  color: #c1cfca;
  font-size: 0.82rem;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-allocation {
  justify-self: end;
}

.learn-backtest-allocation[open] {
  grid-column: 1 / -1;
  width: 100%;
}

.learn-backtest-allocation > summary {
  display: flex;
  width: fit-content;
  min-height: 2.65rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(19, 233, 236, 0.32);
  color: #d9e6e1;
  background: rgba(19, 233, 236, 0.045);
  cursor: pointer;
  font-size: 0.84rem;
  list-style: none;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.learn-backtest-allocation > summary::-webkit-details-marker {
  display: none;
}

.learn-backtest-allocation[open] > summary {
  margin-left: auto;
}

.learn-backtest-settings-toggle-closed,
.learn-backtest-settings-toggle-open {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.learn-backtest-settings-toggle-open,
.learn-backtest-allocation[open] .learn-backtest-settings-toggle-closed {
  display: none;
}

.learn-backtest-allocation[open] .learn-backtest-settings-toggle-open {
  display: inline-flex;
}

.learn-backtest-allocation > summary:hover {
  border-color: rgba(19, 233, 236, 0.68);
  background: rgba(19, 233, 236, 0.09);
}

.learn-backtest-allocation > summary:focus-visible,
.learn-backtest-button:focus-visible,
.learn-backtest-weight-field input:focus-visible,
.learn-backtest-rebalance select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-drift-control[hidden] {
  display: none;
}

.learn-backtest-drift-control {
  display: grid;
  max-width: 28rem;
  gap: 0.4rem;
  margin: 0 0 0.9rem;
  color: #d8e2de;
  font-size: 0.78rem;
  line-height: 1.4;
}

.learn-backtest-drift-slider-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.learn-backtest-drift-slider-row input[type="range"] {
  width: 100%;
  min-width: 0;
  min-height: 1.5rem;
  margin: 0;
  accent-color: var(--teal);
  cursor: pointer;
}

.learn-backtest-drift-slider-row output {
  flex: 0 0 auto;
  color: #eef4f0;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-drift-control small {
  color: #9faaa6;
  font-size: 0.72rem;
}

.learn-backtest-drift-cycle {
  display: grid;
  max-width: 28rem;
  gap: 0.4rem;
}

.learn-backtest-drift-cycle select {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(193, 208, 203, 0.28);
  border-radius: 0;
  color: #eef4f0;
  background: #0c1917;
  font: inherit;
}

.learn-backtest-drift-cycle select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-drift-slider-row input:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-allocation-panel {
  margin-top: 0.75rem;
  padding: clamp(0.9rem, 2vw, 1.25rem);
  border: 1px solid var(--line);
  background: rgba(4, 15, 14, 0.82);
}

.learn-backtest-allocation-panel > p {
  margin: 0 0 0.9rem;
  color: #aebbb8;
  font-size: 0.84rem;
  line-height: 1.55;
}

.learn-backtest-rebalance {
  display: grid;
  max-width: 28rem;
  gap: 0.45rem;
  margin: 0 0 0.85rem;
  color: #d8e2de;
  font-size: 0.78rem;
  line-height: 1.35;
}

.learn-backtest-rebalance select {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(193, 208, 203, 0.28);
  border-radius: 0;
  color: #eef4f0;
  background: #0c1917;
  font: inherit;
}

.learn-backtest-rebalance select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-weight-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.learn-backtest-weight-field {
  display: grid;
  min-width: 0;
  min-height: 4.5rem;
  align-content: center;
  gap: 0.55rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid rgba(193, 208, 203, 0.18);
  color: #d8e2de;
  font-size: 0.78rem;
  line-height: 1.35;
}

.learn-backtest-weight-name small {
  margin-left: 0.25rem;
  color: #8fa49f;
  font-size: 0.7rem;
}

.learn-backtest-weight-slider-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.learn-backtest-weight-slider-row input[type="range"] {
  width: 100%;
  min-width: 0;
  min-height: 1.5rem;
  margin: 0;
  accent-color: var(--teal);
  cursor: pointer;
}

.learn-backtest-weight-slider-row input[type="range"]:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-weight-value {
  min-width: 3.5ch;
  color: #eef4f0;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.learn-backtest-allocation-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.learn-backtest-allocation-actions > output {
  color: #9fbbb4;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-allocation-actions > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.learn-backtest-button {
  min-height: 2.55rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(19, 233, 236, 0.52);
  border-radius: 0;
  color: #07110f;
  background: var(--teal);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  transition: opacity 140ms ease, background-color 140ms ease;
}

.learn-backtest-button:hover:not(:disabled) {
  background: #59f2ed;
}

.learn-backtest-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.learn-backtest-button--quiet {
  color: #c8d4d0;
  background: transparent;
}

.learn-backtest-button--quiet:hover:not(:disabled) {
  color: #f0f4f1;
  background: rgba(255, 255, 255, 0.07);
}

.learn-backtest-scope-note {
  margin: 0 0 0.85rem;
  color: #9faaa6;
  font-size: 0.78rem;
  line-height: 1.55;
}

@media (max-width: 760px) {
  .learn-backtest-weight-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .learn-backtest-evolution-comparison-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-backtest-evolution-comparison-card dd {
    font-size: 1.05rem;
  }

  .learn-backtest-allocation-toolbar {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-backtest-allocation,
  .learn-backtest-allocation[open] {
    grid-column: 1;
    justify-self: stretch;
  }

  .learn-backtest-allocation > summary {
    justify-content: flex-start;
  }

  .learn-backtest-allocation-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .learn-backtest-allocation-actions > div {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .learn-backtest-weight-fields {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-backtest-allocation-actions > div {
    flex-direction: column;
  }

  .learn-backtest-button {
    width: 100%;
  }
}

.learn-backtest-chart__scroll {
  position: relative;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: rgba(19, 233, 236, 0.45) rgba(255, 255, 255, 0.06);
  -webkit-overflow-scrolling: touch;
}

.learn-backtest-chart__scroll:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-chart-tooltip {
  position: absolute;
  z-index: 5;
  max-width: min(22rem, calc(100% - 1rem));
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(19, 233, 236, 0.5);
  border-radius: 0.3rem;
  background: rgba(7, 18, 17, 0.96);
  box-shadow: 0 0.35rem 1.1rem rgba(0, 0, 0, 0.42);
  color: #f2f2ee;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
  pointer-events: none;
}

.learn-backtest-chart-readout {
  min-height: 1.5rem;
  margin: 0.7rem 0 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(19, 233, 236, 0.24);
  border-radius: 0.25rem;
  background: rgba(19, 233, 236, 0.045);
  color: #dce8e4;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.45;
}

.learn-backtest-svg {
  display: block;
  width: 100%;
  min-width: 840px;
  height: auto;
  overflow: visible;
}

.learn-backtest-svg .chart-grid {
  stroke: rgba(193, 208, 203, 0.15);
  stroke-width: 1;
}

.learn-backtest-svg .chart-tick {
  stroke: rgba(193, 208, 203, 0.36);
  stroke-width: 1;
}

.learn-backtest-svg .chart-axis-label {
  fill: #aebbb8;
  font-family: inherit;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-svg .chart-axis-title {
  fill: #c8d2ce;
  font-family: inherit;
  font-size: 13px;
}

.learn-backtest-svg .chart-line {
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.learn-backtest-svg .chart-line--portfolio {
  stroke-width: 3.6;
}

.learn-backtest-svg .chart-line--standard {
  stroke-width: 2.8;
  stroke-dasharray: 8 5;
}

.learn-backtest-chart-source {
  margin: 0.65rem 0 0;
  color: #aebbb8;
  font-size: 0.78rem;
  line-height: 1.5;
}

.learn-backtest-chart-source strong {
  color: #d1dbd7;
  font-weight: 600;
}

.learn-backtest-evolution-comparison {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.learn-backtest-evolution-comparison-heading {
  margin-bottom: 0.8rem;
}

.learn-backtest-evolution-comparison-heading h3 {
  margin: 0;
  font-size: 1rem;
}

.learn-backtest-evolution-comparison-heading p {
  margin: 0.3rem 0 0;
  color: #9faaa6;
  font-size: 0.78rem;
  line-height: 1.5;
}

.learn-backtest-evolution-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.learn-backtest-evolution-comparison-card {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.learn-backtest-evolution-comparison-card h4 {
  margin: 0;
  color: #eef2ef;
  font-size: 0.9rem;
  font-weight: 550;
}

.learn-backtest-evolution-composition {
  margin: 0.25rem 0 0.85rem;
  color: #9faaa6;
  font-size: 0.72rem;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}

.learn-backtest-evolution-comparison-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 0.9rem;
  margin: 0;
}

.learn-backtest-evolution-comparison-card dt {
  color: #9faaa6;
  font-size: 0.68rem;
  line-height: 1.35;
}

.learn-backtest-evolution-comparison-card dd {
  margin: 0.35rem 0 0;
  color: #f2f2ee;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.learn-backtest-evolution-comparison-card dd output {
  font: inherit;
}

.learn-backtest-svg .chart-line--dashed {
  stroke-dasharray: 9 6;
}

.learn-backtest-svg .chart-bar {
  stroke: rgba(8, 19, 18, 0.7);
  stroke-width: 1;
}

.learn-backtest-svg .chart-bar:focus,
.learn-backtest-svg .chart-bar.is-active {
  stroke: #f2f2ee;
  stroke-width: 2.5;
  filter: drop-shadow(0 0 4px rgba(19, 233, 236, 0.65));
  outline: none;
}

.learn-backtest-svg .chart-crosshair {
  stroke: rgba(242, 242, 238, 0.62);
  stroke-width: 1;
  stroke-dasharray: 4 5;
  vector-effect: non-scaling-stroke;
}

.learn-backtest-svg .chart-focus-marker {
  fill: #081312;
  stroke: #f2f2ee;
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}

.learn-backtest-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.4rem;
  margin: 1.1rem 0 0;
  padding: 0;
  color: #d1dbd7;
  font-size: 0.84rem;
  list-style: none;
}

.learn-backtest-legend li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.learn-backtest-legend small {
  margin-left: 0.2rem;
  color: #91a29d;
  font-size: 0.75rem;
}

.learn-backtest-swatch {
  display: inline-block;
  width: 1.25rem;
  height: 0;
  flex: 0 0 1.25rem;
  border-top: 2px solid var(--swatch);
}

.learn-backtest-swatch--portfolio {
  border-top-width: 4px;
}

.learn-backtest-swatch--dashed {
  border-top-style: dashed;
}

.learn-backtest-chart figcaption {
  max-width: 90ch;
  margin-top: 0.9rem;
  color: #aebbb8;
  font-size: 0.84rem;
  line-height: 1.65;
}

.learn-backtest-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 1.4rem 0 0;
  border-top: 1px solid var(--line);
}

.learn-backtest-metric {
  min-width: 0;
  padding: 1.2rem 1.2rem 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.learn-backtest-metric:not(:nth-child(3n + 1)) {
  padding-left: 1.2rem;
  border-left: 1px solid var(--line);
}

.learn-backtest-metric dt {
  color: #9eafaa;
  font-size: 0.78rem;
  line-height: 1.45;
}

.learn-backtest-metric dd {
  margin: 0.42rem 0 0;
  color: #f2f2ee;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.learn-backtest-metric p {
  margin: 0.45rem 0 0;
  color: #94a39f;
  font-size: 0.8rem;
  line-height: 1.5;
}

.learn-backtest-data-details {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  color: #d1dbd7;
}

.learn-backtest-data-details summary {
  width: fit-content;
  padding: 0.8rem 0;
  color: #bce7e2;
  cursor: pointer;
  font-size: 0.88rem;
  text-decoration: underline;
  text-decoration-color: rgba(19, 233, 236, 0.45);
  text-underline-offset: 0.22em;
}

.learn-backtest-table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

.learn-backtest-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  color: #c2ceca;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  text-align: left;
}

.learn-backtest-table-wrap caption {
  padding: 0.45rem 0 0.7rem;
  color: #94a39f;
  text-align: left;
}

.learn-backtest-table-wrap th,
.learn-backtest-table-wrap td {
  padding: 0.55rem 0.8rem 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.learn-backtest-table-wrap th {
  color: #e5ece8;
  font-weight: 500;
}

.learn-backtest-data-details:focus-within summary {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.learn-backtest-page .learn-backtest-chart + .learn-source-note {
  margin-top: 0.85rem;
}

@media (max-width: 760px) {
  .learn-backtest-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learn-backtest-metric:not(:nth-child(3n + 1)) {
    padding-left: 0;
    border-left: 0;
  }

  .learn-backtest-metric:nth-child(2n) {
    padding-left: 1rem;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 460px) {
  .learn-backtest-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-backtest-metric,
  .learn-backtest-metric:not(:nth-child(3n + 1)),
  .learn-backtest-metric:nth-child(2n) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 560px) {
  .learn-backtest-drawdown-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-backtest-drawdown-card {
    padding: 1rem;
  }
}