/* The learning collection and its original articles use the shared AInvestX theme. */
.learning-hero { padding: 62px 0 48px; background: linear-gradient(120deg,#f5fbf7,#e2f3ea); }
.learning-hero h1 { margin: 0; max-width: 860px; font: 800 clamp(38px,5vw,62px)/1.06 var(--display); letter-spacing: -.05em; }
.learning-hero h1 span { color: var(--green-dark); }
.learning-hero .lead { max-width: 740px; font-size: 17px; margin: 23px 0 18px; }
.learning-hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 54px; align-items: center; }
.learning-small { color: var(--muted); font-size: 13px; line-height: 1.65; }
.learning-text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--green-dark); font-weight: 700; line-height: 1.5; }
.learning-text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.learning-feature { padding: 32px; border-radius: 24px; background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.learning-feature .eyebrow,.learning-feature .learning-text-link { color: #b8efd5; }
.learning-feature h2 { max-width: 330px; font: 800 28px/1.18 var(--display); letter-spacing: -.035em; margin: 12px 0 22px; }
.learning-feature p:not(.eyebrow) { color: #c2d6cb; font-size: 13px; line-height: 1.7; }
.learning-feature .learning-text-link { font-size: 14px; }
.learning-equation { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 18px 0; margin-bottom: 16px; border-block: 1px solid #ffffff30; font: 700 26px var(--display); letter-spacing: -.04em; }
.learning-equation small { font-size: 15px; color: #bedbcf; }
.learning-level-area { padding: 32px 0 36px; border-bottom: 1px solid var(--line); }
.learning-minihead { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-bottom: 18px; }
.learning-minihead h2 { margin: 0; font: 800 18px var(--display); letter-spacing: -.025em; }
.learning-minihead p { color: var(--muted); font-size: 13px; margin: 0; }
.learning-level-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.learning-level { display: block; min-width: 0; border: 1px solid var(--line); border-radius: 20px; background: #fff; padding: 24px; }
.learning-level:hover { border-color: var(--green-dark); }
.learning-level[aria-current] { border-color: var(--green-dark); box-shadow: inset 0 0 0 1px var(--green-dark); background: var(--mint); }
.learning-level small { color: var(--green-dark); font-weight: 800; font-size: 11px; text-transform: uppercase; letter-spacing: .09em; }
.learning-level h3 { margin: 12px 0; font: 800 22px/1.2 var(--display); letter-spacing: -.035em; }
.learning-level p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0 0 16px; }
.learning-level > span { color: var(--green-dark); font-size: 13px; font-weight: 700; }
.learning-section { padding: 54px 0; }
.learning-section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 26px; }
.learning-section-head h2 { font: 800 32px/1.15 var(--display); letter-spacing: -.04em; margin: 0 0 12px; }
.learning-section-head p:not(.eyebrow) { color: var(--muted); line-height: 1.65; margin-bottom: 0; }
.learning-controls { display: grid; grid-template-columns: minmax(240px,1.6fr) minmax(150px,1fr) minmax(150px,1fr) auto; gap: 16px; align-items: end; padding: 0 0 22px; border-bottom: 1px solid var(--line); }
.learning-controls label { display: block; font-weight: 700; font-size: 12px; margin-bottom: 8px; }
.learning-controls input,.learning-controls select { width: 100%; min-height: 46px; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--ink); font: inherit; font-size: 15px; }
.learning-reset { min-height: 46px; padding: 8px 0; border: 0; background: transparent; color: var(--green-dark); text-decoration: underline; text-underline-offset: 3px; font-size: 13px; font-weight: 700; }
.learning-result-count { color: var(--muted); font-size: 13px; margin: 20px 0; }
.learning-resource-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.learning-resource { position: relative; display: flex; flex-direction: column; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 25px; }
.learning-resource:hover { border-color: #a4c8b8; }
.learning-resource-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; color: var(--green-dark); font-size: 11px; font-weight: 700; }
.learning-badge { display: inline-block; background: var(--mist); color: var(--muted); border-radius: 20px; padding: 5px 9px; font-size: 11px; font-weight: 700; line-height: 1.4; }
.learning-badge-scenario { background: #f7f0df; color: #755615; }
.learning-badge-external { background: #eaf0ff; color: #355482; }
.learning-resource h3 { font: 800 23px/1.22 var(--display); letter-spacing: -.03em; margin: 22px 0 14px; }
.learning-resource h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 20px; }
.learning-resource h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.learning-resource p { margin: 0 0 24px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.learning-resource-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-top: 16px; margin-top: auto; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); line-height: 1.65; }
.learning-resource-foot > span:last-child { font-size: 20px; color: var(--green-dark); }
.learning-empty { padding: 34px 25px; text-align: center; border: 1px dashed var(--line); border-radius: 15px; color: var(--muted); }
.learning-empty h3 { color: var(--ink); font-family: var(--display); }
.learning-catalogue-note { color: var(--muted); font-size: 12px; line-height: 1.65; margin: 22px 0 0; }
.learning-signal { padding: 54px 0; background: var(--ink); color: #fff; }
.learning-signal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.learning-signal .eyebrow { color: #b8efd5; }
.learning-signal h2 { margin: 0 0 20px; font: 800 36px/1.13 var(--display); letter-spacing: -.04em; }
.learning-signal p { color: #c2d6cb; line-height: 1.75; }
.learning-signal .learning-text-link { color: #b8efd5; }
.learning-signal-example { padding: 30px; background: #153e33; border: 1px solid #ffffff30; border-radius: 22px; }
.learning-signal-example h3 { margin: 20px 0; font: 800 28px/1.18 var(--display); letter-spacing: -.035em; }
.learning-signal-example ol { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-left: 22px; color: #d3e7dc; font-size: 13px; line-height: 1.6; }
.learning-collections { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px; }
.learning-collections article { border-top: 2px solid var(--line); padding-top: 24px; }
.learning-collections h3 { font: 800 22px/1.2 var(--display); letter-spacing: -.03em; margin: 0 0 12px; }
.learning-collections p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.learning-collections a { display: flex; gap: 12px; align-items: center; justify-content: space-between; min-height: 48px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--green-dark); font-weight: 700; }
.learning-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; font-size: 13px; color: var(--muted); }
.learning-breadcrumb a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 4px; }
.learning-article-layout { display: grid; grid-template-columns: minmax(0,800px) 260px; justify-content: space-between; align-items: start; gap: 55px; padding-top: 42px; padding-bottom: 65px; }
.learning-article { min-width: 0; }
.learning-article h2 { margin: 36px 0 17px; font: 800 28px/1.2 var(--display); letter-spacing: -.035em; }
.learning-article section:first-child > h2 { margin-top: 0; }
.learning-article h3 { margin: 26px 0 12px; font: 800 20px/1.25 var(--display); letter-spacing: -.025em; }
.learning-article p,.learning-article li { color: var(--muted); line-height: 1.8; }
.learning-article strong { color: var(--ink); }
.learning-article li + li { margin-top: 12px; }
.learning-article p a,.learning-article li a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.learning-aside .panel { padding: 25px; margin-bottom: 20px; box-shadow: none; }
.learning-aside h2 { margin: 0 0 18px; font: 800 18px/1.3 var(--display); letter-spacing: -.025em; }
.learning-aside p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.learning-aside a { display: block; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--green-dark); font-weight: 700; line-height: 1.5; }
.learning-example { padding: 28px; border-radius: 20px; background: var(--mint); margin: 26px 0; }
.learning-example h3 { margin-top: 0; }
.learning-amounts { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.learning-amounts button { min-height: 44px; padding: 10px 15px; border: 1px solid #a4c8b8; border-radius: 9px; color: var(--ink); background: #fff; font-weight: 700; }
.learning-amounts button[aria-pressed=true] { background: var(--green-dark); color: #fff; border-color: var(--green-dark); }
.learning-expense-results { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; padding-top: 20px; border-top: 1px solid #bad9c9; margin: 22px 0; }
.learning-expense-results dt { color: var(--muted); font-size: 13px; line-height: 1.6; }
.learning-expense-results dd { margin: 8px 0 0; color: var(--ink); font: 800 32px/1.2 var(--display); letter-spacing: -.03em; }
.learning-takeaway { background: var(--mist); border-left: 3px solid var(--green-dark); border-radius: 0 13px 13px 0; padding: 20px 24px; margin: 24px 0; line-height: 1.8; color: var(--muted); }
.learning-hero .learning-takeaway { max-width: 840px; background: #ffffffb8; }
.learning-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; margin-bottom: 28px; }
.learning-facts section { background: var(--mist); border-radius: 15px; padding: 22px; }
.learning-facts h2 { font-size: 17px; margin: 0 0 12px; letter-spacing: -.025em; }
.learning-facts p { font-size: 14px; margin-bottom: 0; }
.learning-depths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin: 24px 0 18px; }
.learning-depths button { min-width: 0; min-height: 102px; padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); text-align: left; line-height: 1.5; }
.learning-depths button span { display: block; font-size: 12px; margin-bottom: 7px; }
.learning-depths button strong { font-size: 14px; }
.learning-depths button[aria-selected=true] { background: var(--ink); color: #fff; border-color: var(--ink); }
.learning-depths button[aria-selected=true] strong { color: #fff; }
.learning-depth-panel { padding-top: 12px; }
.learning-depth-panel > h2 { margin-top: 0; }
.learning-chain { padding-left: 26px; }
.learning-chain > li { padding-left: 10px; }
.learning-chain h3 { margin-bottom: 10px; }
.learning-chain li::marker { color: var(--green-dark); font-weight: 700; }
.learning-countercase { background: #f8f5ec; border-left: 3px solid #a58c50; padding: 20px 25px; border-radius: 0 13px 13px 0; margin: 24px 0; }
.learning-countercase h3 { color: #67552e; margin-top: 0; }
.learning-countercase p:last-child { margin-bottom: 0; }
.learning-source-list { border-top: 1px solid var(--line); margin-top: 36px; padding-top: 1px; }
.learning-source-list li { font-size: 14px; }
.learning-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 1000px) {
  .learning-hero-grid { gap: 30px; }
  .learning-controls { grid-template-columns: 1.3fr 1fr 1fr; }
  .learning-reset { grid-column: 1/-1; justify-self: start; min-height: 36px; }
  .learning-resource-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .learning-resource h3 { font-size: 22px; }
  .learning-article-layout { grid-template-columns: minmax(0,1fr) 235px; gap: 30px; }
}
@media (max-width: 760px) {
  .learning-hero { padding: 42px 0 36px; }
  .learning-hero-grid,.learning-signal-grid,.learning-article-layout { grid-template-columns: 1fr; gap: 30px; }
  .learning-hero h1 { font-size: clamp(38px,7.2vw,54px); }
  .learning-feature { padding: 28px; }
  .learning-minihead { flex-direction: column; align-items: start; gap: 8px; }
  .learning-level { padding: 20px; }
  .learning-level h3 { font-size: 20px; }
  .learning-level p { font-size: 13px; }
  .learning-level br { display: none; }
  .learning-level small { letter-spacing: .05em; }
  .learning-section-head { flex-direction: column; align-items: start; gap: 12px; }
  .learning-section-head > .learning-small br { display: none; }
  .learning-controls { grid-template-columns: 1fr 1fr; }
  .learning-search { grid-column: 1/-1; }
  .learning-collections { grid-template-columns: 1fr; }
  .learning-article-layout { padding-top: 28px; }
  .learning-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .learning-aside .panel { margin: 0; }
}
@media (max-width: 480px) {
  .learning-level-grid,.learning-resource-grid,.learning-aside,.learning-facts,.learning-depths { grid-template-columns: 1fr; }
  .learning-level { padding: 19px 22px; }
  .learning-level h3 { margin: 8px 0; }
  .learning-level p { margin-bottom: 10px; }
  .learning-feature { padding: 25px; }
  .learning-feature h2 { font-size: 27px; }
  .learning-equation { font-size: 23px; }
  .learning-controls input,.learning-controls select { font-size: 16px; }
  .learning-section { padding: 38px 0; }
  .learning-signal { padding: 38px 0; }
  .learning-signal h2 { font-size: 31px; }
  .learning-signal-example { padding: 24px; }
  .learning-example { padding: 22px; }
  .learning-expense-results { gap: 16px; }
  .learning-expense-results dd { font-size: 27px; }
  .learning-article h2 { font-size: 25px; }
  .learning-article ul { padding-left: 22px; }
  .learning-depths button { min-height: 74px; padding: 14px 18px; }
  .learning-depths button span { margin-bottom: 2px; }
  .learning-takeaway,.learning-countercase { padding: 18px 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }