:root {
  --course-ink: #171716;
  --course-muted: rgba(23, 23, 22, 0.64);
  --course-faint: rgba(23, 23, 22, 0.08);
  --course-line: rgba(23, 23, 22, 0.16);
  --course-paper: #f7f7f4;
  --course-white: #fff;
  --course-accent: #2b6bff;
}

html {
  scroll-behavior: smooth;
}

.courses-sales-page {
  color: var(--course-ink);
  background: var(--course-paper);
  overflow: clip;
}

.courses-sales-page *,
.courses-sales-page *::before,
.courses-sales-page *::after {
  box-sizing: border-box;
}

.course-sales-hero,
.course-flagship,
.course-selector,
.course-secondary,
.course-comparison,
.course-resources-sales,
.course-faq,
.course-closing {
  border-bottom: 1px solid var(--course-line);
}

.course-sales-hero {
  padding: 146px 0 76px;
  background:
    linear-gradient(90deg, rgba(43, 107, 255, 0.035) 1px, transparent 1px) 0 0 / 80px 80px,
    var(--course-paper);
}

.course-sales-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
}

.course-sales-hero__copy {
  min-width: 0;
}

.course-sales-hero h1 {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: clamp(48px, 5.1vw, 60px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0.01em;
}

.course-sales-hero__lead {
  max-width: 440px;
  margin: 8px 0 0;
  color: var(--course-muted);
  font-size: 16px;
  line-height: 1.8;
}

.course-sales-hero__visual {
  margin: 0;
  border: 1px solid var(--course-line);
  background: var(--course-ink);
}

.course-sales-hero__visual img {
  aspect-ratio: 1.72;
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.course-sales-hero__visual figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  line-height: 1.5;
}

.course-sales-hero__visual figcaption span {
  color: #fff;
  letter-spacing: 0.12em;
}

.course-cta-group,
.course-cta-stack,
.course-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.course-cta-group {
  margin-top: 40px;
}

.course-cta {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  border: 1px solid var(--course-ink);
  border-radius: 2px;
  color: var(--course-ink);
  background: transparent;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.course-cta--primary {
  color: #fff;
  background: var(--course-ink);
}

.course-cta--secondary {
  background: rgba(255, 255, 255, 0.74);
}

.course-cta--light {
  color: var(--course-ink);
  border-color: #fff;
  background: #fff;
}

.course-cta:hover,
.course-cta:focus-visible {
  color: #fff;
  border-color: var(--course-accent);
  background: var(--course-accent);
  outline: none;
  transform: translateY(-1px);
}

.course-price-note {
  margin: 14px 0 0;
  color: rgba(23, 23, 22, 0.5);
  font-size: 11px;
  line-height: 1.6;
}

.course-proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 30px 0 0;
  border-top: 1px solid var(--course-ink);
  border-bottom: 1px solid var(--course-line);
}

.course-proof-strip div {
  min-width: 0;
  padding: 14px 10px 15px 0;
  border-right: 1px solid var(--course-line);
}

.course-proof-strip div + div {
  padding-left: 10px;
}

.course-proof-strip div:last-child {
  border-right: 0;
}

.course-proof-strip dt,
.course-proof-strip dd {
  margin: 0;
}

.course-proof-strip dt {
  color: rgba(23, 23, 22, 0.48);
  font-size: 10px;
}

.course-proof-strip dd {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.course-flagship,
.course-secondary,
.course-comparison,
.course-faq {
  padding: 108px 0 116px;
}

.course-selector,
.course-resources-sales {
  padding: 84px 0 92px;
}

.course-section-heading {
  max-width: 820px;
}

.course-section-heading h2 {
  margin: 18px 0 0;
  font-size: clamp(42px, 4.6vw, 62px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.course-section-heading > h2:first-child {
  margin-top: 0;
}

.course-section-heading > p:last-child {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--course-muted);
  font-size: 15px;
  line-height: 1.75;
}

.course-section-heading--compact h2 {
  font-size: clamp(36px, 4vw, 52px);
}

.course-flagship {
  background: #fff;
}

.course-flagship > .shell {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.68fr);
  column-gap: clamp(56px, 8vw, 112px);
  align-items: start;
}

.course-flagship .course-section-heading {
  grid-column: 1;
  grid-row: 1;
}

.course-flagship__layout {
  grid-column: 1;
  grid-row: 2;
  margin-top: 62px;
}

.course-audience {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-top: 1px solid var(--course-ink);
  border-bottom: 1px solid var(--course-line);
}

.course-audience p {
  margin: 0;
  line-height: 1.75;
}

.course-kicker {
  color: var(--course-accent);
  font-size: 12px;
  font-weight: 700;
}

.course-outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--course-line);
}

.course-outcome-grid article {
  min-height: 230px;
  padding: 24px 24px 28px 0;
  border-right: 1px solid var(--course-line);
}

.course-outcome-grid article + article {
  padding-left: 24px;
}

.course-outcome-grid article:last-child {
  border-right: 0;
}

.course-outcome-grid span {
  color: var(--course-accent);
  font-size: 11px;
}

.course-outcome-grid h3 {
  margin: 48px 0 0;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.35;
}

.course-outcome-grid p {
  margin: 14px 0 0;
  color: var(--course-muted);
  font-size: 13px;
  line-height: 1.7;
}

.course-offer-card {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: sticky;
  top: 92px;
  padding: 30px;
  border: 1px solid var(--course-ink);
  background: var(--course-paper);
}

.course-offer-card__top,
.course-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(23, 23, 22, 0.56);
  font-size: 11px;
}

.course-offer-card__top strong,
.course-card__meta span:last-child {
  color: var(--course-accent);
}

.course-offer-card h3 {
  margin: 38px 0 0;
  font-size: 26px;
  font-weight: 400;
}

.course-offer-card ul {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.course-offer-card li {
  position: relative;
  padding-left: 16px;
  color: var(--course-muted);
  font-size: 13px;
  line-height: 1.6;
}

.course-offer-card li::before,
.course-card li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 6px;
  height: 1px;
  content: "";
  background: currentColor;
}

.course-prerequisite {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--course-line);
}

.course-prerequisite span {
  color: rgba(23, 23, 22, 0.52);
  font-size: 11px;
}

.course-prerequisite strong {
  font-size: 13px;
  line-height: 1.6;
}

.course-cta-stack {
  flex-direction: column;
  margin-top: 28px;
}

.course-cta-stack .course-cta {
  width: 100%;
}

.course-text-link {
  width: fit-content;
  color: var(--course-ink);
  font-size: 13px;
  font-weight: 700;
  text-underline-offset: 4px;
}

.course-text-link:hover,
.course-text-link:focus-visible {
  color: var(--course-accent);
  outline: none;
}

.course-selector {
  background: var(--course-ink);
  color: #fff;
}

.course-selector .section-label,
.course-selector .course-section-heading > p:last-child {
  color: rgba(255, 255, 255, 0.6);
}

.course-selector__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.34);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.course-selector__grid a {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

.course-selector__grid a:last-child {
  border-right: 0;
}

.course-selector__grid a:hover,
.course-selector__grid a:focus-visible {
  color: #fff;
  background: var(--course-accent);
  outline: none;
}

.course-selector__grid span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
}

.course-selector__grid strong {
  margin-top: auto;
  font-size: 20px;
  font-weight: 500;
}

.course-selector__grid small {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  line-height: 1.55;
}

.course-secondary__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
  border-top: 1px solid var(--course-ink);
}

.course-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-right: 1px solid var(--course-line);
  border-bottom: 1px solid var(--course-line);
  scroll-margin-top: 96px;
}

.course-card:first-child {
  border-left: 1px solid var(--course-line);
}

.course-card h3 {
  min-height: 2.6em;
  margin: 52px 0 0;
  font-size: 27px;
  font-weight: 400;
  line-height: 1.25;
}

.course-card > p {
  min-height: 5.2em;
  margin: 16px 0 0;
  color: var(--course-muted);
  font-size: 13px;
  line-height: 1.75;
}

.course-card dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0 0;
  border-top: 1px solid var(--course-line);
  border-bottom: 1px solid var(--course-line);
}

.course-card dl div {
  padding: 14px 8px 14px 0;
}

.course-card dt,
.course-card dd {
  margin: 0;
}

.course-card dt {
  color: rgba(23, 23, 22, 0.5);
  font-size: 10px;
}

.course-card dd {
  margin-top: 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

.course-card ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.course-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
}

.course-card__actions {
  align-items: center;
  margin-top: auto;
  padding-top: 30px;
}

.course-card__actions .course-cta {
  flex: 1 1 100%;
  width: 100%;
}

.course-comparison {
  background: #fff;
}

.course-comparison__scroll {
  margin-top: 48px;
  overflow-x: auto;
  border-top: 1px solid var(--course-ink);
  outline-offset: 4px;
}

.course-comparison__scroll:focus-visible {
  outline: 2px solid var(--course-accent);
}

.course-comparison table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  text-align: left;
}

.course-comparison th,
.course-comparison td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--course-line);
  vertical-align: top;
  font-size: 12px;
  line-height: 1.6;
}

.course-comparison thead th {
  color: rgba(23, 23, 22, 0.52);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-comparison tbody th {
  width: 210px;
  font-size: 14px;
  font-weight: 700;
}

.course-comparison td {
  color: var(--course-muted);
}

.course-comparison td a {
  color: var(--course-ink);
  font-weight: 700;
  white-space: nowrap;
}

.course-resources-sales__layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(56px, 8vw, 110px);
}

.course-resource-cards {
  border-top: 1px solid var(--course-ink);
}

.course-resource-cards article {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--course-line);
}

.course-resource-cards span {
  color: var(--course-accent);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.course-resource-cards h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 500;
}

.course-resource-cards p {
  grid-column: 2;
  margin: -12px 0 0;
  color: var(--course-muted);
  font-size: 12px;
  line-height: 1.6;
}

.course-resource-cards a {
  grid-column: 3;
  grid-row: 1 / 3;
  color: var(--course-ink);
  font-size: 12px;
  font-weight: 700;
}

.course-faq__layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(64px, 9vw, 132px);
}

.course-faq__list {
  border-top: 1px solid var(--course-ink);
}

.course-faq details {
  border-bottom: 1px solid var(--course-line);
}

.course-faq summary {
  position: relative;
  padding: 22px 42px 22px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  list-style: none;
}

.course-faq summary::-webkit-details-marker {
  display: none;
}

.course-faq summary::after {
  position: absolute;
  top: 20px;
  right: 4px;
  content: "+";
  color: var(--course-accent);
  font-size: 20px;
  font-weight: 400;
}

.course-faq details[open] summary::after {
  content: "−";
}

.course-faq details p {
  max-width: 680px;
  margin: -4px 0 22px;
  color: var(--course-muted);
  font-size: 13px;
  line-height: 1.75;
}

.course-closing {
  padding: 82px 0;
  color: #fff;
  background: var(--course-ink);
}

.course-closing__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.36fr);
  gap: 72px;
  align-items: end;
}

.course-closing .section-label {
  color: rgba(255, 255, 255, 0.55);
}

.course-closing h2 {
  max-width: 880px;
  margin: 18px 0 0;
  font-size: clamp(40px, 4.6vw, 64px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.course-closing p:last-child {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.course-cta-stack--closing {
  margin: 0;
}

.course-text-link--light {
  color: #fff;
}

.course-floating-cta {
  position: fixed;
  z-index: 80;
  right: 22px;
  bottom: 22px;
  width: 250px;
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  background: rgba(23, 23, 22, 0.96);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.course-floating-cta.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.course-floating-cta div {
  display: grid;
  gap: 4px;
}

.course-floating-cta span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 10px;
}

.course-floating-cta strong {
  font-size: 14px;
}

.course-floating-cta > a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 13px;
  color: var(--course-ink);
  background: #fff;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.course-floating-cta > a:hover,
.course-floating-cta > a:focus-visible {
  color: #fff;
  background: var(--course-accent);
  outline: none;
}

@media (max-width: 1020px) {
  .course-sales-hero__grid,
  .course-resources-sales__layout,
  .course-faq__layout {
    grid-template-columns: 1fr;
  }

  .course-flagship > .shell {
    display: block;
  }

  .course-sales-hero__visual {
    max-width: 760px;
  }

  .course-offer-card {
    position: static;
    margin-top: 56px;
  }

  .course-selector__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-selector__grid a:nth-child(2) {
    border-right: 0;
  }

  .course-selector__grid a:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .course-secondary__grid {
    grid-template-columns: 1fr;
  }

  .course-card,
  .course-card:first-child {
    border-left: 0;
    border-right: 0;
  }

  .course-card h3,
  .course-card > p {
    min-height: 0;
  }

  .course-closing__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .course-cta-stack--closing {
    max-width: 360px;
  }
}

@media (max-width: 767px) {
  .courses-sales-page {
    padding-bottom: 68px;
  }

  .course-sales-hero {
    padding: 104px 0 54px;
    background-size: 48px 48px;
  }

  .course-sales-hero__grid {
    gap: 38px;
  }

  .course-sales-hero h1 {
    font-size: clamp(42px, 12vw, 56px);
  }

  .course-sales-hero__lead {
    font-size: 15px;
  }

  .course-cta-group,
  .course-cta-stack,
  .course-card__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .course-cta {
    width: 100%;
  }

  .course-proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-proof-strip div {
    border-bottom: 1px solid var(--course-line);
  }

  .course-proof-strip div:nth-child(2n) {
    border-right: 0;
  }

  .course-proof-strip div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .course-sales-hero__visual figcaption {
    flex-direction: column;
    gap: 4px;
  }

  .course-flagship,
  .course-secondary,
  .course-comparison,
  .course-faq {
    padding: 72px 0 78px;
  }

  .course-selector,
  .course-resources-sales {
    padding: 64px 0 70px;
  }

  .course-section-heading h2,
  .course-section-heading--compact h2 {
    font-size: 40px;
  }

  .course-flagship__layout {
    gap: 42px;
    margin-top: 42px;
  }

  .course-audience {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .course-outcome-grid {
    grid-template-columns: 1fr;
  }

  .course-outcome-grid article,
  .course-outcome-grid article + article {
    min-height: 0;
    padding: 22px 0 26px;
    border-right: 0;
    border-bottom: 1px solid var(--course-line);
  }

  .course-outcome-grid h3 {
    margin-top: 24px;
  }

  .course-offer-card {
    padding: 24px;
    margin-top: 42px;
  }

  .course-selector__grid {
    grid-template-columns: 1fr;
  }

  .course-selector__grid a,
  .course-selector__grid a:nth-child(2) {
    min-height: 176px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .course-selector__grid a:last-child {
    border-bottom: 0;
  }

  .course-secondary__grid {
    margin-top: 0;
  }

  .course-card {
    padding: 26px 0 32px;
  }

  .course-card h3 {
    margin-top: 34px;
  }

  .course-resource-cards article {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 18px;
  }

  .course-resource-cards a {
    grid-column: 2;
    grid-row: auto;
  }

  .course-closing {
    padding: 68px 0;
  }

  .course-closing h2 {
    font-size: 42px;
  }

  .course-floating-cta {
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateY(100%);
  }

  .course-floating-cta.is-visible {
    transform: translateY(0);
  }

  .course-floating-cta > a {
    min-width: 112px;
  }
}

@media (max-width: 420px) {
  .course-sales-hero h1,
  .course-section-heading h2,
  .course-section-heading--compact h2,
  .course-closing h2 {
    font-size: 38px;
  }

  .course-floating-cta strong {
    max-width: 145px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .course-cta,
  .course-selector__grid a,
  .course-floating-cta {
    transition: none;
  }
}