:root {
	--kc-academy-bg: #071424;
	--kc-academy-surface: #0b1b2e;
	--kc-academy-card: #0a1727;
	--kc-academy-border: #21364b;
	--kc-academy-teal: #18c3b2;
	--kc-academy-text: #f4f8fb;
	--kc-academy-muted: #a6bac9;
}

.learn-cards article.kc-home-card-ready { position: relative; cursor: pointer; transition: border-color .2s ease, transform .2s ease; }
.learn-cards article.kc-home-card-ready:hover { border-color: var(--kc-academy-teal); transform: translateY(-2px); }
.kc-home-card-link { position: absolute; inset: 0; z-index: 3; border-radius: inherit; }
.kc-home-card-link:focus-visible { outline: 3px solid var(--kc-academy-teal); outline-offset: 4px; }

.kc-academy { background: var(--kc-academy-bg); color: var(--kc-academy-text); min-height: 70vh; }
.kc-academy a { text-decoration: none; }
.kc-kicker { display: inline-block; color: var(--kc-academy-teal); font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.kc-academy-hero { padding: 92px 0 80px; background: radial-gradient(circle at 80% 20%, rgba(24,195,178,.12), transparent 34%), var(--kc-academy-bg); border-bottom: 1px solid var(--kc-academy-border); }
.kc-academy-hero__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 80px; align-items: center; }
.kc-academy-hero h1 { max-width: 790px; margin: 10px 0 18px; font-size: clamp(42px, 6vw, 70px); line-height: 1; letter-spacing: -.045em; }
.kc-academy-hero p { max-width: 700px; color: var(--kc-academy-muted); font-size: 17px; line-height: 1.75; }
.kc-button { display: inline-flex; align-items: center; gap: 30px; margin-top: 20px; padding: 14px 20px; border-radius: 9px; background: var(--kc-academy-teal); color: #04211e; font-weight: 900; }
.kc-button:hover { filter: brightness(1.08); color: #04211e; }
.kc-academy-summary { display: grid; gap: 0; padding: 26px; border: 1px solid var(--kc-academy-border); border-radius: 16px; background: rgba(9,24,40,.8); box-shadow: 0 25px 80px rgba(0,0,0,.18); }
.kc-academy-summary strong { margin-bottom: 12px; color: var(--kc-academy-text); font-size: 21px; }
.kc-academy-summary span { padding: 11px 0; border-top: 1px solid var(--kc-academy-border); color: var(--kc-academy-muted); }

.kc-curriculum { padding-top: 75px; padding-bottom: 40px; }
.kc-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 28px; }
.kc-section-heading h2 { margin: 7px 0 0; color: var(--kc-academy-text); font-size: 34px; }
.kc-section-heading p { color: var(--kc-academy-muted); }
.kc-curriculum-grid { display: grid; gap: 16px; }
.kc-curriculum-card { display: grid; grid-template-columns: 92px 1fr; gap: 24px; align-items: start; padding: 30px; border: 1px solid var(--kc-academy-border); border-radius: 16px; background: var(--kc-academy-card); color: var(--kc-academy-text); transition: transform .2s ease, border-color .2s ease; }
.kc-curriculum-card:hover { border-color: var(--kc-academy-teal); color: var(--kc-academy-text); transform: translateY(-2px); }
.kc-card-number { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 14px; background: #0f293b; color: var(--kc-academy-teal); font-size: 26px; font-weight: 950; }
.kc-card-meta { color: var(--kc-academy-teal); font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.kc-curriculum-card h2 { margin: 6px 0 8px; color: var(--kc-academy-text); font-size: 25px; }
.kc-curriculum-card p { max-width: 800px; margin: 0 0 15px; color: var(--kc-academy-muted); line-height: 1.7; }
.kc-curriculum-card strong { color: var(--kc-academy-teal); font-size: 13px; }
.kc-academy-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; padding-top: 35px; padding-bottom: 70px; }
.kc-academy-principles > div { padding: 24px; border-top: 2px solid var(--kc-academy-teal); background: #09192b; }
.kc-academy-principles span { color: var(--kc-academy-teal); font-weight: 900; }
.kc-academy-principles h3 { margin: 10px 0 5px; color: var(--kc-academy-text); }
.kc-academy-principles p { margin: 0; color: var(--kc-academy-muted); line-height: 1.6; }
.kc-academy-disclaimer { margin-bottom: 80px; padding: 22px 25px; border: 1px solid #725c29; border-radius: 12px; background: #211d13; }
.kc-academy-disclaimer strong { color: #f1c75b; }
.kc-academy-disclaimer p { margin: 7px 0 0; color: #d8cfb4; }

.kc-lesson-header { padding: 72px 0 54px; border-bottom: 1px solid var(--kc-academy-border); background: radial-gradient(circle at 75% 20%, rgba(24,195,178,.1), transparent 32%); }
.kc-back { display: inline-block; margin-bottom: 34px; color: var(--kc-academy-teal); font-size: 13px; font-weight: 800; }
.kc-lesson-header__meta { display: flex; flex-wrap: wrap; gap: 8px; }
.kc-lesson-header__meta span { padding: 7px 10px; border: 1px solid var(--kc-academy-border); border-radius: 999px; color: var(--kc-academy-muted); font-size: 10px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.kc-lesson-header h1 { max-width: 900px; margin: 14px 0 12px; color: var(--kc-academy-text); font-size: clamp(38px, 5vw, 62px); line-height: 1.03; letter-spacing: -.04em; }
.kc-lesson-header p { max-width: 800px; color: var(--kc-academy-muted); font-size: 17px; line-height: 1.7; }
.kc-progress { width: min(420px, 100%); height: 6px; margin-top: 26px; overflow: hidden; border-radius: 99px; background: #14283a; }
.kc-progress span { display: block; height: 100%; border-radius: inherit; background: var(--kc-academy-teal); }

.kc-lesson-layout { display: grid; grid-template-columns: minmax(0, 790px) minmax(240px, 310px); justify-content: space-between; gap: 70px; padding-top: 58px; padding-bottom: 50px; }
.kc-lesson-content { color: #d7e4eb; font-size: 16px; line-height: 1.82; }
.kc-lesson-content h2 { scroll-margin-top: 110px; margin: 54px 0 16px; color: var(--kc-academy-text); font-size: 30px; line-height: 1.22; letter-spacing: -.02em; }
.kc-lesson-content h3 { margin: 23px 0 8px; color: var(--kc-academy-text); font-size: 20px; }
.kc-lesson-content p { margin: 0 0 20px; }
.kc-lesson-content ul, .kc-lesson-content ol { margin: 0 0 24px; padding-left: 24px; }
.kc-lesson-content li { margin: 7px 0; }
.kc-lead { color: #f0f6f9; font-size: 20px; line-height: 1.7; }
.kc-objectives, .kc-note, .kc-warning, .kc-checkpoint, .kc-content-disclaimer { margin: 28px 0; padding: 22px 24px; border-radius: 12px; }
.kc-objectives { border: 1px solid #1f716b; background: #0a282b; }
.kc-objectives ul { margin: 10px 0 0; }
.kc-note { border-left: 4px solid var(--kc-academy-teal); background: #0c2032; }
.kc-warning { border: 1px solid #7e5326; background: #251b12; color: #eedfc7; }
.kc-checkpoint { border: 1px solid #31567a; background: #0c2035; }
.kc-checkpoint h2, .kc-checkpoint h3 { margin-top: 0; }
.kc-checkpoint details { margin-top: 16px; }
.kc-content-disclaimer { border: 1px solid #5e512f; background: #1d1a12; color: #d5ccb2; font-size: 14px; }
.kc-definition-grid, .kc-two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.kc-definition-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kc-definition-grid > div, .kc-two-col > div { padding: 20px; border: 1px solid var(--kc-academy-border); border-radius: 12px; background: #09192a; }
.kc-definition-grid strong { color: var(--kc-academy-teal); }
.kc-definition-grid p, .kc-two-col p { margin: 7px 0 0; color: var(--kc-academy-muted); font-size: 14px; line-height: 1.65; }
.kc-table { width: 100%; margin: 26px 0 32px; overflow: hidden; border-collapse: separate; border-spacing: 0; border: 1px solid var(--kc-academy-border); border-radius: 12px; font-size: 14px; }
.kc-table th, .kc-table td { padding: 13px 15px; border-right: 1px solid var(--kc-academy-border); border-bottom: 1px solid var(--kc-academy-border); text-align: left; vertical-align: top; }
.kc-table th { background: #0e2538; color: var(--kc-academy-text); }
.kc-table td { background: #091827; color: #c7d7df; }
.kc-table tr:last-child > * { border-bottom: 0; }
.kc-table tr > *:last-child { border-right: 0; }
.kc-steps { counter-reset: kc-steps; padding-left: 0 !important; list-style: none; }
.kc-steps li { position: relative; min-height: 42px; padding-left: 50px; }
.kc-steps li::before { counter-increment: kc-steps; content: counter(kc-steps, decimal-leading-zero); position: absolute; left: 0; top: 2px; color: var(--kc-academy-teal); font-weight: 900; }
.kc-checklist { padding-left: 0 !important; list-style: none; }
.kc-checklist li { position: relative; padding-left: 28px; }
.kc-checklist li::before { content: '✓'; position: absolute; left: 0; color: var(--kc-academy-teal); font-weight: 900; }
.kc-formula { margin: 24px 0; padding: 22px; border: 1px dashed var(--kc-academy-teal); border-radius: 12px; background: #082129; color: #e8fffc; text-align: center; font-size: 18px; }
.kc-lesson-content details { margin: 12px 0; padding: 14px 16px; border: 1px solid var(--kc-academy-border); border-radius: 9px; background: #0a1928; }
.kc-lesson-content summary { cursor: pointer; color: var(--kc-academy-text); font-weight: 800; }
.kc-lesson-content details p, .kc-lesson-content details ol { margin: 13px 0 0; }
.kc-sources a { color: var(--kc-academy-teal); text-decoration: underline; text-underline-offset: 3px; }
.kc-lesson-sidebar { position: relative; }
.kc-sidebar-card { position: sticky; top: 105px; padding: 20px; border: 1px solid var(--kc-academy-border); border-radius: 14px; background: #091827; }
.kc-sidebar-card > a { display: grid; grid-template-columns: 31px 1fr; gap: 8px; margin-top: 10px; padding: 12px; border-radius: 8px; color: var(--kc-academy-muted); font-size: 12px; line-height: 1.35; }
.kc-sidebar-card > a:hover, .kc-sidebar-card > a.is-current { background: #0e2b38; color: var(--kc-academy-text); }
.kc-sidebar-card > a span { color: var(--kc-academy-teal); font-weight: 900; }
.kc-lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding-top: 20px; padding-bottom: 80px; }
.kc-lesson-nav a { display: flex; flex-direction: column; min-height: 110px; justify-content: center; padding: 22px; border: 1px solid var(--kc-academy-border); border-radius: 12px; background: #091827; color: var(--kc-academy-text); }
.kc-lesson-nav a:hover { border-color: var(--kc-academy-teal); color: var(--kc-academy-text); }
.kc-lesson-nav a.is-next { text-align: right; }
.kc-lesson-nav small { margin-bottom: 7px; color: var(--kc-academy-teal); }

@media (max-width: 900px) {
	.kc-academy-hero__grid, .kc-lesson-layout { grid-template-columns: 1fr; gap: 35px; }
	.kc-academy-principles { grid-template-columns: 1fr; }
	.kc-lesson-sidebar { order: -1; }
	.kc-sidebar-card { position: static; }
}

@media (max-width: 680px) {
	.kc-academy-hero { padding: 60px 0; }
	.kc-academy-hero h1 { font-size: 42px; }
	.kc-section-heading { align-items: start; flex-direction: column; }
	.kc-curriculum-card { grid-template-columns: 58px 1fr; gap: 13px; padding: 18px; }
	.kc-card-number { width: 52px; height: 52px; font-size: 19px; }
	.kc-curriculum-card h2 { font-size: 20px; }
	.kc-definition-grid, .kc-two-col { grid-template-columns: 1fr; }
	.kc-table { display: block; overflow-x: auto; white-space: normal; }
	.kc-lesson-header { padding: 50px 0 42px; }
	.kc-lesson-header h1 { font-size: 39px; }
	.kc-lesson-content { font-size: 15px; }
	.kc-lesson-content h2 { font-size: 25px; }
	.kc-lesson-nav { grid-template-columns: 1fr; }
	.kc-lesson-nav a.is-next { text-align: left; }
}