.eca {
    --canvas: #fbead8;
    --paper: #fffaf1;
    --ink: #0b2b45;
    --muted: #505b59;
    --forest: #28543a;
    --forest-dark: #1d422d;
    --forest-soft: #e7eee2;
    --wine: #7a1f1b;
    --gold: #a47735;
    --line: #d9c7ae;
    --serif: Georgia, "Times New Roman", serif;
    --sans: "Segoe UI", Arial, sans-serif;
    background: var(--canvas);
    color: var(--ink);
    font: 15px/1.65 var(--sans);
    -webkit-font-smoothing: antialiased;
    padding: 8px 0 48px;
}

.eca,
.eca * { box-sizing: border-box; }

.eca a { color: inherit; text-underline-offset: 4px; }
.eca button { font: inherit; cursor: pointer; }
.eca h1, .eca h2, .eca h3, .eca p { margin-top: 0; }
.eca h1 { margin-bottom: 21px; font: 400 clamp(42px, 4.5vw, 58px)/1.08 var(--serif); letter-spacing: -1.25px; color: var(--ink); }
.eca h1 em { font-style: normal; color: var(--wine); }
.eca h2 { font: 400 31px/1.18 var(--serif); letter-spacing: -0.45px; margin-bottom: 19px; color: var(--ink); }
.eca h3 { font: 700 21px/1.25 var(--serif); margin-bottom: 8px; color: var(--ink); }
.eca :focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }

.eca .icon { width: 22px; height: 22px; display: block; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.eca .container { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.eca .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin: 0; padding: 24px 0 29px; font-size: 11px; color: var(--muted); }
.eca .breadcrumb a { text-decoration: none; }
.eca .breadcrumb a:hover { text-decoration: underline; }
.eca .breadcrumb .divider { color: var(--gold); }
.eca .breadcrumb [aria-current] { color: var(--ink); }

.eca .course-layout { display: grid; grid-template-columns: minmax(0, 1fr) 318px; grid-template-areas: "hero aside" "content aside"; gap: 0 48px; align-items: start; }
.eca .hero { grid-area: hero; padding: 12px 0 32px; }
.eca .kicker { display: flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 750; letter-spacing: 1.6px; text-transform: uppercase; color: var(--wine); margin: 0 0 15px; }
.eca .diamond { width: 6px; height: 6px; background: var(--gold); transform: rotate(45deg); flex-shrink: 0; }
.eca .category { display: inline-flex; gap: 7px; align-items: center; padding: 5px 10px; border: 1px solid #d2b5a8; border-radius: 4px; background: #f2e5dc; color: var(--wine); font-size: 10px; font-weight: 650; margin-bottom: 19px; }
.eca .category .icon { width: 14px; height: 14px; }
.eca .hero-intro { color: var(--muted); font-size: 16px; line-height: 1.75; max-width: 660px; margin: 0; }
.eca .hero-tags { display: flex; flex-wrap: wrap; gap: 9px 20px; margin-top: 22px; color: var(--forest); font-size: 12px; font-weight: 650; }
.eca .hero-tags span { display: flex; align-items: center; gap: 7px; }
.eca .hero-tags .icon { width: 16px; height: 16px; color: var(--gold); }

.eca .content { grid-area: content; min-width: 0; }
.eca .section-nav { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--canvas); }
.eca .section-nav a { font-size: 12px; font-weight: 650; text-decoration: none; color: var(--muted); padding: 2px 0; }
.eca .section-nav a:hover,
.eca .section-nav a[aria-current="location"] { color: var(--wine); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 9px; }
.eca .section { padding: 32px 0; border-bottom: 1px solid var(--line); }
.eca .section .kicker { margin-bottom: 10px; font-size: 9px; letter-spacing: 1.4px; }
.eca .body-copy { color: var(--muted); font-size: 14px; }
.eca .body-copy p { margin-bottom: 14px; }
.eca .body-copy p:last-child { margin-bottom: 0; }
.eca .body-copy strong { color: var(--ink); font-weight: 650; }

.eca .outcomes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 25px; padding: 0; margin: 0; list-style: none; }
.eca .outcomes li { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 13px; }
.eca .outcomes .icon { width: 18px; height: 18px; color: var(--forest); margin-top: 2px; }
.eca .section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.eca .section-heading h2 { margin-bottom: 0; }
.eca .text-button { min-height: 36px; display: inline-flex; align-items: center; gap: 6px; color: var(--forest); padding: 6px 10px; border: 1px solid #c6cbb8; border-radius: 4px; background: transparent; font-size: 11px; font-weight: 650; flex-shrink: 0; }
.eca .text-button:hover { background: var(--forest-soft); }
.eca .text-button .icon { width: 14px; height: 14px; }
.eca .section-intro { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

.eca .chapter-list { display: grid; gap: 9px; }
.eca .chapter { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.eca .chapter > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 33px minmax(0, 1fr) 17px; gap: 12px; align-items: center; padding: 17px 18px; }
.eca .chapter > summary::-webkit-details-marker { display: none; }
.eca .chapter > summary:hover { background: #f6edde; }
.eca .chapter-num { width: 31px; height: 31px; border: 1px solid #d1bd9c; border-radius: 50%; display: grid; place-items: center; color: #7b5b2b; background: #ede3d0; font: 400 17px/1 var(--serif); }
.eca .chapter[open] .chapter-num { color: #fff6e7; background: var(--forest); border-color: var(--forest); }
.eca .chapter summary strong { display: block; font: 700 21px/1.22 var(--serif); }
.eca .chapter summary small { display: block; font-size: 11px; margin-top: 4px; color: var(--muted); line-height: 1.55; font-weight: 400; }
.eca .chapter summary > .icon { width: 17px; height: 17px; color: var(--gold); }
.eca .chapter[open] summary > .icon { transform: rotate(180deg); }
.eca .chapter-body { border-top: 1px solid var(--line); margin: 0 18px 17px 63px; padding-top: 15px; }
.eca .mini-label { color: #73634a; font-size: 9px; font-weight: 750; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 11px; }
.eca .micro-topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 20px; padding: 0; margin: 0; list-style: none; }
.eca .micro-topics li { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: var(--muted); }
.eca .micro-topics .icon { width: 13px; height: 13px; color: var(--gold); margin-top: 3px; }
.eca .chapter-note { display: flex; align-items: flex-start; gap: 8px; margin: 15px 0 0; color: #3c5546; background: var(--forest-soft); font-size: 11px; padding: 10px; border-radius: 3px; }
.eca .chapter-note .icon { width: 14px; height: 14px; margin-top: 2px; }
.eca .chapter-empty { margin: 0; color: var(--muted); font-size: 12px; }

.eca .format-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.eca .format { border-top: 2px solid var(--gold); padding: 16px 15px; background: var(--paper); border-radius: 3px; }
.eca .format:first-child { border-color: var(--forest); background: var(--forest-soft); }
.eca .format > .icon { color: var(--forest); width: 21px; height: 21px; margin-bottom: 13px; }
.eca .format h3 { font-size: 19px; margin-bottom: 7px; }
.eca .format p { color: var(--muted); font-size: 12px; margin: 0; }

.eca .test-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.eca .test-row { display: grid; grid-template-columns: 36px minmax(0, 0.8fr) minmax(0, 1.25fr); gap: 13px; padding: 17px 0; align-items: start; border-bottom: 1px solid var(--line); }
.eca .test-icon { width: 32px; height: 32px; border: 1px solid #c8cbb5; border-radius: 50%; color: var(--forest); display: grid; place-items: center; }
.eca .test-icon .icon { width: 17px; height: 17px; }
.eca .test-row h3 { font-size: 20px; margin: 0 0 5px; }
.eca .test-when { display: block; font-size: 10px; color: #7b5b2b; font-weight: 650; }
.eca .test-row p { font-size: 12px; color: var(--muted); margin: 0; }
.eca .study-tip { display: flex; align-items: flex-start; gap: 10px; padding: 15px 17px; margin-top: 19px; background: #eee5d5; border-left: 3px solid var(--gold); border-radius: 3px; }
.eca .study-tip .icon { color: var(--forest); width: 19px; height: 19px; margin-top: 3px; }
.eca .study-tip p { margin: 0; font-size: 12px; color: var(--muted); }
.eca .study-tip strong { color: var(--ink); font-weight: 650; }

.eca .audience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.eca .audience { padding: 19px 20px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; }
.eca .audience .icon { width: 21px; height: 21px; color: var(--gold); margin-bottom: 13px; }
.eca .audience h3 { font-size: 21px; }
.eca .audience p { margin: 0; color: var(--muted); font-size: 12px; }

.eca .faq { border-top: 1px solid var(--line); }
.eca .faq:last-child { border-bottom: 1px solid var(--line); }
.eca .faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 15px; align-items: center; padding: 15px 0; font-size: 13px; font-weight: 650; }
.eca .faq summary::-webkit-details-marker { display: none; }
.eca .faq summary .icon { width: 16px; height: 16px; color: var(--gold); }
.eca .faq[open] summary .icon { transform: rotate(180deg); }
.eca .faq p { color: var(--muted); font-size: 12px; margin: 0; padding: 0 25px 15px 0; }

.eca .aside { grid-area: aside; align-self: stretch; min-width: 0; }
.eca .course-card { position: sticky; top: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); overflow: hidden; }
.eca .course-photo { position: relative; padding: 9px; border-bottom: 1px solid var(--line); background: #e7ddc8; }
.eca .course-photo img { display: block; width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; border: 1px solid #bfa681; border-radius: 3px; }
.eca .course-photo--empty { min-height: 180px; display: grid; place-items: center; color: var(--wine); font: 700 13px/1.4 var(--sans); letter-spacing: 1px; }
.eca .course-card-body { padding: 22px 23px 23px; }
.eca .card-kicker { margin: 0 0 10px; color: var(--wine); font-size: 9px; font-weight: 750; text-transform: uppercase; letter-spacing: 1.2px; }
.eca .course-card h2 { font-size: 25px; letter-spacing: -0.3px; margin: 0 0 17px; }
.eca .course-facts { margin: 0 0 21px; border-top: 1px solid var(--line); }
.eca .course-facts > div { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 11px; }
.eca .course-facts dt { color: var(--muted); }
.eca .course-facts dd { color: var(--ink); text-align: right; font-weight: 650; margin: 0; }
.eca .button { min-height: 44px; display: flex; justify-content: center; align-items: center; gap: 10px; border: 1px solid transparent; border-radius: 5px; text-decoration: none; font-size: 12px; font-weight: 650; padding: 10px 14px; }
.eca .button .icon { width: 16px; height: 16px; }
.eca .button-primary { background: var(--wine); color: #fff6e9; }
.eca .button-primary:hover { background: #651914; color: #fff6e9; }
.eca .button-secondary { border-color: #bac3ae; color: var(--forest); background: transparent; margin-top: 9px; }
.eca .button-secondary:hover { background: var(--forest-soft); }
.eca .card-foot { display: flex; gap: 7px; align-items: center; margin: 15px 0 0; color: var(--muted); font-size: 10px; justify-content: center; }
.eca .card-foot .icon { width: 13px; height: 13px; color: var(--gold); }

.eca .end-note { display: flex; justify-content: space-between; align-items: center; gap: 25px; margin-top: 30px; padding: 24px; border: 1px solid var(--forest); border-radius: 7px; color: #fff4e4; background: var(--forest); }
.eca .end-note h2 { font-size: 27px; margin: 0; color: #fff4e4; }
.eca .end-note p { margin: 8px 0 0; color: #dce6d4; font-size: 12px; }
.eca .end-note .button { background: #f6ebd7; color: var(--forest-dark); border-color: #d7c5a5; flex-shrink: 0; }
.eca .end-note .button:hover { background: #fffaf1; color: var(--forest-dark); }

@media (max-width: 1000px) {
    .eca .course-layout { grid-template-columns: minmax(0, 1fr) 290px; column-gap: 30px; }
    .eca h1 { font-size: 48px; }
    .eca .hero-intro { font-size: 15px; }
    .eca .micro-topics { grid-template-columns: 1fr; }
    .eca .format-grid { gap: 10px; }
    .eca .test-row { grid-template-columns: 32px minmax(0, 1fr); }
    .eca .test-row p { grid-column: 2; }
    .eca .end-note { align-items: flex-start; flex-direction: column; gap: 18px; }
}

@media (max-width: 760px) {
    .eca .container { width: calc(100% - 40px); }
    .eca .course-layout { grid-template-columns: 1fr; grid-template-areas: "hero" "aside" "content"; }
    .eca .hero { padding-top: 4px; }
    .eca .aside { margin-bottom: 28px; }
    .eca .course-card { position: static; max-width: 430px; margin-inline: auto; }
    .eca .section { padding: 29px 0; }
    .eca .micro-topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .eca .test-row { grid-template-columns: 36px minmax(0, 0.85fr) minmax(0, 1.25fr); }
    .eca .test-row p { grid-column: auto; }
    .eca .end-note { flex-direction: row; align-items: center; }
}

@media (max-width: 480px) {
    .eca .container { width: calc(100% - 32px); }
    .eca .breadcrumb { padding: 19px 0 22px; font-size: 10px; }
    .eca h1 { font-size: 42px; letter-spacing: -1px; }
    .eca .hero-intro { font-size: 14px; }
    .eca .course-card { max-width: none; }
    .eca .course-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 18px; }
    .eca .course-facts > div { display: block; }
    .eca .course-facts dd { text-align: left; margin-top: 3px; }
    .eca h2 { font-size: 28px; }
    .eca .outcomes, .eca .audience-grid, .eca .format-grid, .eca .micro-topics { grid-template-columns: 1fr; }
    .eca .chapter > summary { padding: 16px 14px; grid-template-columns: 29px minmax(0, 1fr) 15px; gap: 10px; }
    .eca .chapter-body { margin: 0 14px 16px; }
    .eca .test-row { grid-template-columns: 32px minmax(0, 1fr); }
    .eca .test-row p { grid-column: 2; }
    .eca .end-note { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    .eca .chapter summary > .icon,
    .eca .faq summary .icon { transition: none; }
}