/* Generated design c03-textbook-2 (docs/design/pool), prefix bfa- */
:root {
      --bfa-bg: #f2fafc;
      --bfa-surface: #ffffff;
      --bfa-surface-warm: #e4f3f5;
      --bfa-surface-tint: #f3e8ed;
      --bfa-text: #301d1b;
      --bfa-text-muted: #644c4a;
      --bfa-border: #c1d6d9;
      --bfa-border-strong: #9eb5b8;
      --bfa-teal: #520c27;
      --bfa-teal-dark: #370719;
      --bfa-teal-light: #ead5de;
      --bfa-orange: #27d9c4;
      --bfa-orange-bg: #ddfcfc;
      --bfa-orange-border: #8beae1;
      --bfa-green: #5a1e5e;
      --bfa-red: #2d8c5d;
      --bfa-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
      --bfa-sans: "Avenir Next", Avenir, "Trebuchet MS", "Gill Sans", Verdana, sans-serif;
      --bfa-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      --bfa-max-w: 1180px;
      --bfa-radius: 4px;
      --bfa-shadow: 0 2px 6px rgba(48, 29, 27, 0.05);
    }
*, *::before, *::after {
      box-sizing: border-box;
    }
html {
      scroll-behavior: smooth;
      background-color: var(--bfa-bg);
      color: var(--bfa-text);
      font-family: var(--bfa-serif);
      font-size: 100%;
      line-height: 1.65;
      -webkit-text-size-adjust: 100%;
    }
body {
      margin: 0;
      overflow-x: hidden;
      overflow-wrap: anywhere;
      font-variant-numeric: tabular-nums;
    }
a {
      color: var(--bfa-teal);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 3px;
      transition: color 0.15s ease, background-color 0.15s ease;
    }
a:hover {
      color: var(--bfa-teal-dark);
      text-decoration-thickness: 2px;
    }
a:focus-visible,
    button:focus-visible,
    select:focus-visible,
    summary:focus-visible {
      outline: 3px solid var(--bfa-orange);
      outline-offset: 2px;
    }
.bfa-skip {
      position: absolute;
      top: -100px;
      left: 1rem;
      background: var(--bfa-teal);
      color: #ffffff;
      padding: 0.75rem 1.25rem;
      font-family: var(--bfa-sans);
      font-weight: 600;
      text-decoration: none;
      z-index: 999;
      border-radius: var(--bfa-radius);
    }
.bfa-skip:focus {
      top: 1rem;
    }
.bfa-header {
      background-color: var(--bfa-surface-warm);
      border-bottom: 2px solid var(--bfa-teal);
      border-top: 4px solid var(--bfa-teal);
      padding: 1rem 1.25rem;
    }
.bfa-header-inner {
      max-width: var(--bfa-max-w);
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
.bfa-brand-row {
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }
.bfa-brand {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-family: var(--bfa-serif);
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--bfa-teal-dark);
      text-decoration: none;
      letter-spacing: -0.02em;
    }
.bfa-brand-mark {
      width: 28px;
      height: 28px;
      background-color: var(--bfa-teal);
      color: #ffffff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 3px;
      flex-shrink: 0;
    }
.bfa-tagline {
      font-family: var(--bfa-sans);
      font-size: 0.85rem;
      color: var(--bfa-text-muted);
      margin: 0;
    }
.bfa-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 0.35rem 0.5rem;
      align-items: center;
    }
.bfa-nav-link {
      font-family: var(--bfa-sans);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--bfa-text);
      text-decoration: none;
      padding: 0.5rem 0.75rem;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      border-radius: var(--bfa-radius);
      border: 1px solid transparent;
    }
.bfa-nav-link:hover {
      background-color: var(--bfa-bg);
      border-color: var(--bfa-border);
    }
.bfa-nav-link[aria-current="page"] {
      background-color: var(--bfa-teal);
      color: #ffffff;
    }
@media (min-width: 900px) {
      .bfa-header-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }
    }
.bfa-main {
      max-width: var(--bfa-max-w);
      margin: 0 auto;
      padding: 1.75rem 1.25rem 4rem;
    }
.bfa-page-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }
@media (min-width: 1024px) {
      .bfa-page-layout--with-toc {
        grid-template-columns: minmax(0, 1fr) 260px;
        align-items: start;
      }
    }
.bfa-breadcrumbs {
      margin-bottom: 1rem;
    }
.bfa-breadcrumb-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 0.35rem 0.5rem;
      font-family: var(--bfa-sans);
      font-size: 0.85rem;
      color: var(--bfa-text-muted);
    }
.bfa-breadcrumb-item + .bfa-breadcrumb-item::before {
      content: "/";
      margin-right: 0.5rem;
      color: var(--bfa-border-strong);
    }
.bfa-kicker {
      display: inline-block;
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--bfa-teal);
      background-color: var(--bfa-surface-tint);
      border-left: 4px solid var(--bfa-orange);
      padding: 0.3rem 0.7rem;
      margin: 0 0 0.75rem 0;
    }
.bfa-h1 {
      font-family: var(--bfa-serif);
      font-size: clamp(1.8rem, 3.8vw, 2.55rem);
      line-height: 1.2;
      color: var(--bfa-text);
      margin: 0 0 1.15rem 0;
      font-weight: 700;
      letter-spacing: -0.015em;
    }
.bfa-standfirst {
      font-family: var(--bfa-serif);
      font-size: clamp(1.1rem, 1.9vw, 1.25rem);
      line-height: 1.58;
      color: var(--bfa-text);
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-left: 6px solid var(--bfa-teal);
      padding: 1.25rem 1.35rem;
      margin: 0 0 1rem 0;
      box-shadow: var(--bfa-shadow);
    }
.bfa-standfirst p {
      margin: 0;
    }
.bfa-meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem 1.25rem;
      font-family: var(--bfa-sans);
      font-size: 0.85rem;
      color: var(--bfa-text-muted);
      margin-bottom: 1rem;
    }
.bfa-disclosure {
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      line-height: 1.5;
      color: var(--bfa-text-muted);
      background-color: var(--bfa-surface-warm);
      border: 1px dashed var(--bfa-border-strong);
      padding: 0.75rem 1rem;
      margin: 0 0 2.25rem 0;
      border-radius: var(--bfa-radius);
    }
.bfa-disclosure-label {
      font-weight: 700;
      color: var(--bfa-text);
      text-transform: uppercase;
      font-size: 0.75rem;
      letter-spacing: 0.05em;
      margin-right: 0.4rem;
    }
.bfa-h2 {
      font-family: var(--bfa-serif);
      font-size: clamp(1.4rem, 2.5vw, 1.85rem);
      line-height: 1.25;
      color: var(--bfa-text);
      margin: 0 0 1rem 0;
      padding-bottom: 0.45rem;
      border-bottom: 2px solid var(--bfa-border);
    }
.bfa-glance {
      background-color: var(--bfa-surface);
      border: 2px solid var(--bfa-teal);
      border-radius: var(--bfa-radius);
      margin-bottom: 2.25rem;
      box-shadow: var(--bfa-shadow);
      overflow: hidden;
    }
.bfa-glance-header {
      background-color: var(--bfa-teal);
      color: #ffffff;
      padding: 0.75rem 1.25rem;
      font-family: var(--bfa-sans);
      font-size: 0.95rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin: 0;
    }
.bfa-glance-grid {
      display: grid;
      grid-template-columns: 1fr;
      margin: 0;
    }
@media (min-width: 600px) {
      .bfa-glance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
.bfa-glance-cell {
      padding: 1.15rem 1.25rem;
      border-bottom: 1px solid var(--bfa-border);
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }
@media (min-width: 600px) {
      .bfa-glance-cell:nth-child(odd) {
        border-right: 1px solid var(--bfa-border);
      }
    }
.bfa-glance-label {
      font-family: var(--bfa-sans);
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--bfa-text-muted);
    }
.bfa-glance-value {
      font-family: var(--bfa-serif);
      font-size: 1.45rem;
      font-weight: 700;
      color: var(--bfa-text);
      background-color: var(--bfa-orange-bg);
      border-bottom: 2px solid var(--bfa-orange);
      padding: 0.05rem 0.4rem;
      align-self: flex-start;
      border-radius: 2px;
    }
.bfa-glance-note {
      font-family: var(--bfa-sans);
      font-size: 0.8rem;
      color: var(--bfa-text-muted);
      margin-top: 0.15rem;
    }
.bfa-objectives {
      background-color: var(--bfa-surface-warm);
      border: 1px solid var(--bfa-border-strong);
      border-left: 5px solid var(--bfa-orange);
      padding: 1.35rem 1.5rem;
      margin-bottom: 2.5rem;
      border-radius: var(--bfa-radius);
    }
.bfa-objectives-title {
      font-family: var(--bfa-serif);
      font-size: 1.2rem;
      margin: 0 0 0.75rem 0;
      color: var(--bfa-text);
    }
.bfa-objectives-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 0.55rem 1.5rem;
    }
@media (min-width: 640px) {
      .bfa-objectives-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }
.bfa-objectives-item {
      position: relative;
      padding-left: 1.75rem;
      font-family: var(--bfa-sans);
      font-size: 0.95rem;
      color: var(--bfa-text);
    }
.bfa-objectives-item::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0.1rem;
      width: 20px;
      height: 20px;
      background-color: var(--bfa-teal);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 3px;
    }
.bfa-pickbox {
      margin-bottom: 2.75rem;
    }
.bfa-pickbox-note {
      font-family: var(--bfa-sans);
      font-size: 0.92rem;
      color: var(--bfa-text-muted);
      margin: 0 0 1.25rem 0;
    }
.bfa-cards-stack {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
.bfa-card {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-radius: var(--bfa-radius);
      padding: 1.5rem;
      box-shadow: var(--bfa-shadow);
    }
.bfa-card:first-child {
      border: 2px solid var(--bfa-teal);
      border-top: 6px solid var(--bfa-orange);
      background-color: #f9feff;
    }
.bfa-card-top {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: flex-start;
      gap: 0.75rem;
      margin-bottom: 0.75rem;
    }
.bfa-card-heading {
      font-family: var(--bfa-serif);
      font-size: 1.35rem;
      line-height: 1.3;
      margin: 0;
      color: var(--bfa-text);
    }
.bfa-badge {
      display: inline-block;
      font-family: var(--bfa-sans);
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background-color: var(--bfa-orange-bg);
      color: #0b8f80;
      border: 1px solid var(--bfa-orange-border);
      padding: 0.25rem 0.65rem;
      border-radius: 3px;
      flex-shrink: 0;
    }
.bfa-card-price {
      display: inline-block;
      font-family: var(--bfa-sans);
      font-size: 1rem;
      font-weight: 700;
      color: var(--bfa-teal-dark);
      background-color: var(--bfa-surface-tint);
      padding: 0.35rem 0.75rem;
      border-radius: 3px;
      margin-bottom: 1rem;
    }
.bfa-card-verdict p {
      margin: 0 0 0.75rem 0;
    }
.bfa-card-lists {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
      margin: 1.25rem 0;
      padding-top: 1rem;
      border-top: 1px solid var(--bfa-border);
      font-family: var(--bfa-sans);
      font-size: 0.9rem;
    }
@media (min-width: 680px) {
      .bfa-card-lists {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-list-block-title {
      font-weight: 700;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin: 0 0 0.5rem 0;
      color: var(--bfa-text);
    }
.bfa-list-block ul {
      margin: 0;
      padding-left: 1.15rem;
    }
.bfa-list-block li {
      margin-bottom: 0.35rem;
    }
.bfa-card-footer {
      margin-top: 1.25rem;
      padding-top: 1rem;
      border-top: 1px solid var(--bfa-border);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.75rem 1rem;
    }
.bfa-btn-visit {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0.6rem 1.25rem;
      font-family: var(--bfa-sans);
      font-size: 0.92rem;
      font-weight: 700;
      color: #ffffff;
      background-color: var(--bfa-teal);
      border-radius: var(--bfa-radius);
      text-decoration: none;
    }
.bfa-btn-visit:hover {
      background-color: var(--bfa-teal-dark);
      color: #ffffff;
      text-decoration: none;
    }
.bfa-disclosure-short {
      display: block;
      font-family: var(--bfa-sans);
      font-size: 0.78rem;
      color: var(--bfa-text-muted);
    }
.bfa-table-section {
      margin-bottom: 2.75rem;
    }
.bfa-table-wrap {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--bfa-border-strong);
      border-radius: var(--bfa-radius);
      background-color: var(--bfa-surface);
      box-shadow: var(--bfa-shadow);
    }
.bfa-table {
      width: 100%;
      border-collapse: collapse;
      font-family: var(--bfa-sans);
      font-size: 0.92rem;
      text-align: left;
    }
.bfa-table th,
    .bfa-table td {
      padding: 0.85rem 1rem;
      border-bottom: 1px solid var(--bfa-border);
      vertical-align: top;
    }
.bfa-table thead th {
      background-color: var(--bfa-surface-warm);
      color: var(--bfa-text);
      font-weight: 700;
      font-size: 0.82rem;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      border-bottom: 2px solid var(--bfa-teal);
    }
.bfa-table-highlight {
      background-color: var(--bfa-orange-bg);
      font-weight: 700;
    }
.bfa-table-highlight th,
    .bfa-table-highlight td {
      border-top: 2px solid var(--bfa-orange);
      color: var(--bfa-text);
    }
.bfa-table-note {
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      color: var(--bfa-text-muted);
      margin: 0.65rem 0 0 0;
    }
.bfa-steps {
      margin-bottom: 3rem;
    }
.bfa-steps-list {
      list-style: none;
      margin: 1.5rem 0 0 0;
      padding: 0;
      position: relative;
    }
.bfa-step-item {
      position: relative;
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-left: 5px solid var(--bfa-teal);
      padding: 1.5rem 1.25rem;
      margin-bottom: 1.5rem;
      border-radius: var(--bfa-radius);
      box-shadow: var(--bfa-shadow);
    }
@media (min-width: 768px) {
      .bfa-step-item {
        padding: 1.75rem 2rem;
      }
    }
.bfa-step-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 0.85rem;
    }
.bfa-step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--bfa-teal);
      color: #ffffff;
      font-family: var(--bfa-sans);
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      padding: 0.35rem 0.75rem;
      border-radius: 3px;
      box-shadow: 2px 2px 0 var(--bfa-orange);
    }
.bfa-step-title {
      font-family: var(--bfa-serif);
      font-size: 1.35rem;
      line-height: 1.3;
      margin: 0;
      color: var(--bfa-text);
    }
.bfa-step-body {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }
@media (min-width: 820px) {
      .bfa-step-body--with-tip {
        grid-template-columns: minmax(0, 1fr) 230px;
        gap: 1.75rem;
        align-items: start;
      }
    }
.bfa-step-prose p {
      margin: 0 0 0.85rem 0;
    }
.bfa-step-prose p:last-child {
      margin-bottom: 0;
    }
.bfa-step-tip {
      font-family: var(--bfa-sans);
      font-size: 0.88rem;
      line-height: 1.5;
      background-color: var(--bfa-orange-bg);
      border: 1px solid var(--bfa-orange-border);
      border-left: 4px solid var(--bfa-orange);
      padding: 0.85rem 1rem;
      margin: 0;
      border-radius: 3px;
      color: var(--bfa-text);
    }
.bfa-step-cite {
      font-family: var(--bfa-sans);
      font-size: 0.8rem;
      color: var(--bfa-text-muted);
      margin: 1rem 0 0 0;
      padding-top: 0.65rem;
      border-top: 1px dashed var(--bfa-border);
    }
.bfa-lessons-section {
      margin-bottom: 2.75rem;
    }
.bfa-lessons-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0.85rem;
    }
@media (min-width: 540px) {
      .bfa-lessons-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
@media (min-width: 880px) {
      .bfa-lessons-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-lesson-tile {
      display: flex;
      flex-direction: column;
      gap: 0.3rem;
      padding: 1rem 1.15rem;
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-left: 4px solid var(--bfa-teal);
      border-radius: var(--bfa-radius);
      text-decoration: none;
      color: var(--bfa-text);
      min-height: 44px;
    }
.bfa-lesson-tile:hover {
      background-color: var(--bfa-surface-warm);
      border-color: var(--bfa-teal);
    }
.bfa-lesson-top {
      display: flex;
      align-items: baseline;
      gap: 0.5rem;
    }
.bfa-lesson-n {
      font-family: var(--bfa-sans);
      font-size: 0.78rem;
      font-weight: 700;
      background-color: var(--bfa-teal);
      color: #ffffff;
      padding: 0.1rem 0.45rem;
      border-radius: 2px;
    }
.bfa-lesson-label {
      font-family: var(--bfa-serif);
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--bfa-teal-dark);
    }
.bfa-lesson-meta {
      font-family: var(--bfa-sans);
      font-size: 0.84rem;
      color: var(--bfa-text-muted);
    }
.bfa-lesson-pick {
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--bfa-text);
      background-color: var(--bfa-orange-bg);
      padding: 0.15rem 0.5rem;
      border-radius: 2px;
      align-self: flex-start;
    }
.bfa-prose-section {
      margin-bottom: 2.25rem;
    }
.bfa-prose-section p {
      margin: 0 0 1rem 0;
    }
.bfa-faq {
      margin-bottom: 2.75rem;
    }
.bfa-faq-item {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-radius: var(--bfa-radius);
      margin-bottom: 0.75rem;
    }
.bfa-faq-summary {
      padding: 1rem 1.25rem;
      font-family: var(--bfa-serif);
      font-size: 1.1rem;
      font-weight: 700;
      cursor: pointer;
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
.bfa-faq-answer {
      padding: 0 1.25rem 1.15rem 1.25rem;
      border-top: 1px solid var(--bfa-border);
      color: var(--bfa-text-muted);
    }
.bfa-faq-answer p {
      margin: 0.85rem 0 0 0;
    }
.bfa-pager {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
      margin: 2.5rem 0;
    }
@media (min-width: 640px) {
      .bfa-pager {
        grid-template-columns: repeat(2, 1fr);
      }
    }
.bfa-pager-link {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
      padding: 1.15rem 1.25rem;
      background-color: var(--bfa-surface-warm);
      border: 2px solid var(--bfa-teal);
      border-radius: var(--bfa-radius);
      text-decoration: none;
      min-height: 44px;
    }
.bfa-pager-link--next {
      text-align: right;
    }
.bfa-pager-kicker {
      font-family: var(--bfa-sans);
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--bfa-orange);
    }
.bfa-pager-label {
      font-family: var(--bfa-serif);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--bfa-teal-dark);
    }
.bfa-related {
      background-color: var(--bfa-surface-warm);
      border: 1px solid var(--bfa-border-strong);
      padding: 1.25rem 1.5rem;
      border-radius: var(--bfa-radius);
      margin-bottom: 2.5rem;
    }
.bfa-related-list {
      margin: 0.5rem 0 0 0;
      padding-left: 1.25rem;
      font-family: var(--bfa-sans);
      font-size: 0.95rem;
    }
.bfa-related-list li {
      margin-bottom: 0.4rem;
    }
.bfa-sources {
      border-top: 2px solid var(--bfa-border-strong);
      padding-top: 1.5rem;
      font-family: var(--bfa-sans);
      font-size: 0.85rem;
      color: var(--bfa-text-muted);
    }
.bfa-sources-list {
      margin: 0.75rem 0 0 0;
      padding-left: 1.25rem;
    }
.bfa-sources-list li {
      margin-bottom: 0.5rem;
    }
.bfa-toc {
      background-color: var(--bfa-surface-warm);
      border: 1px solid var(--bfa-border-strong);
      border-top: 4px solid var(--bfa-teal);
      padding: 1.25rem;
      border-radius: var(--bfa-radius);
    }
@media (min-width: 1024px) {
      .bfa-toc {
        position: sticky;
        top: 1.5rem;
      }
    }
.bfa-toc-title {
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--bfa-teal-dark);
      margin: 0 0 0.75rem 0;
    }
.bfa-toc-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }
.bfa-toc-link {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 0.35rem 0.5rem;
      font-family: var(--bfa-sans);
      font-size: 0.88rem;
      color: var(--bfa-text);
      text-decoration: none;
      border-radius: 3px;
    }
.bfa-toc-link:hover {
      background-color: var(--bfa-bg);
      color: var(--bfa-teal);
    }
.bfa-footer {
      background-color: var(--bfa-surface-warm);
      border-top: 3px solid var(--bfa-teal);
      padding: 3rem 1.25rem;
      font-family: var(--bfa-sans);
      color: var(--bfa-text-muted);
    }
.bfa-footer-inner {
      max-width: var(--bfa-max-w);
      margin: 0 auto;
    }
.bfa-footer-cols {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
      margin-bottom: 2.5rem;
    }
@media (min-width: 640px) {
      .bfa-footer-cols {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-footer-title {
      font-family: var(--bfa-serif);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--bfa-text);
      margin: 0 0 0.75rem 0;
    }
.bfa-footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }
.bfa-footer-link {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      font-size: 0.9rem;
      color: var(--bfa-teal-dark);
      text-decoration: none;
    }
.bfa-footer-link:hover {
      text-decoration: underline;
    }
.bfa-footer-bottom {
      border-top: 1px solid var(--bfa-border-strong);
      padding-top: 1.5rem;
      font-size: 0.85rem;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }
:root {
      --bfa-bg: #f2fafc;
      --bfa-surface: #ffffff;
      --bfa-surface-warm: #e4f3f5;
      --bfa-surface-tint: #f3e8ed;
      --bfa-text: #301d1b;
      --bfa-text-muted: #644c4a;
      --bfa-border: #c1d6d9;
      --bfa-border-strong: #9eb5b8;
      --bfa-teal: #520c27;
      --bfa-teal-dark: #370719;
      --bfa-teal-light: #ead5de;
      --bfa-orange: #27d9c4;
      --bfa-orange-bg: #ddfcfc;
      --bfa-orange-border: #8beae1;
      --bfa-green: #5a1e5e;
      --bfa-red: #2d8c5d;
      --bfa-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
      --bfa-sans: "Avenir Next", Avenir, "Trebuchet MS", "Gill Sans", Verdana, sans-serif;
      --bfa-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      --bfa-max-w: 1160px;
      --bfa-radius: 4px;
      --bfa-shadow: 0 2px 6px rgba(48, 29, 27, 0.05);
    }
.bfa-main {
      max-width: var(--bfa-max-w);
      margin: 0 auto;
      padding: 2rem 1.25rem 4rem;
    }
.bfa-kicker {
      display: inline-block;
      font-family: var(--bfa-sans);
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--bfa-teal);
      background-color: var(--bfa-surface-tint);
      border-left: 4px solid var(--bfa-orange);
      padding: 0.25rem 0.65rem;
      margin: 0 0 0.75rem 0;
    }
.bfa-h1 {
      font-family: var(--bfa-serif);
      font-size: clamp(1.85rem, 4vw, 2.75rem);
      line-height: 1.2;
      color: var(--bfa-text);
      margin: 0 0 1rem 0;
      font-weight: 700;
      letter-spacing: -0.015em;
    }
.bfa-h2 {
      font-family: var(--bfa-serif);
      font-size: clamp(1.45rem, 2.8vw, 1.95rem);
      line-height: 1.25;
      color: var(--bfa-text);
      margin: 0 0 1rem 0;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid var(--bfa-border);
    }
.bfa-standfirst,
    .bfa-lead {
      font-family: var(--bfa-serif);
      font-size: clamp(1.1rem, 2vw, 1.3rem);
      line-height: 1.55;
      color: var(--bfa-text);
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border);
      border-left: 5px solid var(--bfa-teal);
      padding: 1.15rem 1.35rem;
      margin: 0 0 1.25rem 0;
      box-shadow: var(--bfa-shadow);
    }
.bfa-disclosure {
      font-family: var(--bfa-sans);
      font-size: 0.82rem;
      line-height: 1.5;
      color: var(--bfa-text-muted);
      background-color: var(--bfa-surface-warm);
      border: 1px dashed var(--bfa-border-strong);
      padding: 0.75rem 1rem;
      margin: 0 0 2rem 0;
      border-radius: var(--bfa-radius);
    }
.bfa-home-hero {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-top: 6px solid var(--bfa-teal);
      padding: 1.75rem 1.25rem;
      margin-bottom: 3rem;
      box-shadow: var(--bfa-shadow);
    }
@media (min-width: 768px) {
      .bfa-home-hero {
        padding: 2.5rem 2.75rem;
      }
    }
.bfa-finder {
      background-color: var(--bfa-surface-tint);
      border: 1px solid var(--bfa-teal);
      padding: 1.25rem;
      border-radius: var(--bfa-radius);
      margin: 1.5rem 0;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
.bfa-finder-label {
      font-family: var(--bfa-sans);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--bfa-teal-dark);
    }
.bfa-finder-controls {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
@media (min-width: 560px) {
      .bfa-finder-controls {
        flex-direction: row;
      }
    }
.bfa-select {
      flex: 1;
      min-height: 46px;
      padding: 0.5rem 0.85rem;
      font-family: var(--bfa-sans);
      font-size: 1rem;
      color: var(--bfa-text);
      background-color: #ffffff;
      border: 2px solid var(--bfa-teal);
      border-radius: var(--bfa-radius);
    }
.bfa-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0.65rem 1.35rem;
      font-family: var(--bfa-sans);
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
      background-color: var(--bfa-teal);
      border: 2px solid var(--bfa-teal);
      border-radius: var(--bfa-radius);
      text-decoration: none;
      cursor: pointer;
      transition: background-color 0.15s ease;
    }
.bfa-btn:hover {
      background-color: var(--bfa-teal-dark);
      color: #ffffff;
      text-decoration: none;
    }
.bfa-section-block {
      margin-bottom: 3.5rem;
    }
.bfa-courses-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
@media (min-width: 800px) {
      .bfa-courses-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-course-card {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-top: 5px solid var(--bfa-teal);
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--bfa-shadow);
    }
.bfa-course-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
    }
.bfa-chapter-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background-color: var(--bfa-teal);
      color: #ffffff;
      font-family: var(--bfa-sans);
      font-weight: 700;
      font-size: 1.1rem;
      border-radius: 3px;
    }
.bfa-course-meta {
      font-family: var(--bfa-sans);
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--bfa-text-muted);
      background-color: var(--bfa-orange-bg);
      border: 1px solid var(--bfa-orange-border);
      padding: 0.2rem 0.6rem;
      border-radius: 3px;
    }
.bfa-course-title {
      font-family: var(--bfa-serif);
      font-size: 1.35rem;
      margin: 0 0 0.6rem 0;
      color: var(--bfa-text);
    }
.bfa-course-text {
      font-size: 1rem;
      color: var(--bfa-text-muted);
      margin: 0 0 1.25rem 0;
    }
.bfa-course-link {
      font-family: var(--bfa-sans);
      font-weight: 700;
      font-size: 0.92rem;
      display: inline-flex;
      align-items: center;
      min-height: 44px;
    }
.bfa-path-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
@media (min-width: 720px) {
      .bfa-path-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }
@media (min-width: 1024px) {
      .bfa-path-list {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-path-item {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border);
      padding: 1.25rem;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
.bfa-step-square {
      width: 36px;
      height: 36px;
      background-color: var(--bfa-teal);
      color: #ffffff;
      font-family: var(--bfa-sans);
      font-weight: 700;
      font-size: 1rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 3px;
      flex-shrink: 0;
      box-shadow: 2px 2px 0 var(--bfa-orange);
    }
.bfa-path-title {
      font-family: var(--bfa-serif);
      font-size: 1.15rem;
      margin: 0 0 0.35rem 0;
    }
.bfa-path-text {
      font-size: 0.95rem;
      color: var(--bfa-text-muted);
      margin: 0;
    }
.bfa-featured-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
@media (min-width: 768px) {
      .bfa-featured-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
.bfa-featured-card {
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border-strong);
      border-left: 5px solid var(--bfa-orange);
      padding: 1.25rem;
      text-decoration: none;
      color: var(--bfa-text);
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
      min-height: 44px;
    }
.bfa-featured-card:hover {
      background-color: var(--bfa-surface-warm);
    }
.bfa-featured-label {
      font-family: var(--bfa-sans);
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--bfa-orange);
    }
.bfa-featured-type {
      font-family: var(--bfa-serif);
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--bfa-teal-dark);
    }
.bfa-featured-pick {
      font-family: var(--bfa-sans);
      font-size: 0.92rem;
      color: var(--bfa-text-muted);
    }
.bfa-method-box {
      background-color: var(--bfa-surface-warm);
      border: 2px solid var(--bfa-border-strong);
      padding: 1.75rem 1.25rem;
      border-radius: var(--bfa-radius);
    }
@media (min-width: 768px) {
      .bfa-method-box {
        padding: 2.25rem 2.5rem;
      }
    }
.bfa-method-list {
      margin: 1rem 0 1.5rem 0;
      padding-left: 1.25rem;
    }
.bfa-method-list li {
      margin-bottom: 0.75rem;
    }
.bfa-states-grid {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.6rem;
    }
@media (min-width: 640px) {
      .bfa-states-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
@media (min-width: 960px) {
      .bfa-states-grid {
        grid-template-columns: repeat(5, 1fr);
      }
    }
.bfa-state-link {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 0.5rem 0.75rem;
      background-color: var(--bfa-surface);
      border: 1px solid var(--bfa-border);
      border-radius: var(--bfa-radius);
      font-family: var(--bfa-sans);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--bfa-teal-dark);
      text-decoration: none;
    }
.bfa-state-link:hover {
      background-color: var(--bfa-surface-tint);
      border-color: var(--bfa-teal);
    }