:root {
  --landing-primary: #ab3b78;
  --landing-primary-hover: #8f2f65;
  --landing-teal: #237072;
  --landing-blue: #295cad;
  --landing-text: #1a1623;
  --landing-muted: #5f5868;
  --landing-border: #e7e2ec;
  --landing-surface: #f5f2f8;
  --landing-white: #ffffff;
  --landing-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
  --landing-shadow-lift: 0 16px 42px rgba(26, 22, 35, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--landing-surface);
  color: var(--landing-text);
  font-family: Lato, Arial, sans-serif;
}

a {
  color: inherit;
}

.landing {
  min-height: 100vh;
  background: var(--landing-surface);
}

.landing__hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  color: var(--landing-white);
  background:
    linear-gradient(rgba(26, 22, 35, 0.48), rgba(26, 22, 35, 0.48)),
    linear-gradient(120deg, var(--landing-primary) 0%, var(--landing-teal) 60%, var(--landing-blue) 100%);
}

.landing__nav,
.landing__hero-grid,
.landing__courses,
.landing__features,
.landing__footer-cta {
  width: min(1280px, calc(100% - 80px));
  margin: 0 auto;
}

.landing__nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.landing__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
  font-family: Poppins, Lato, Arial, sans-serif;
  font-weight: 700;
}

.landing__brand-mark {
  width: auto;
  max-width: 148px;
  height: 36px;
  object-fit: contain;
}

.landing__brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing__nav-actions,
.landing__cta-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.landing__nav-link,
.landing__signin-inline {
  font-weight: 700;
  text-decoration: none;
}

.landing__nav-link {
  opacity: 0.94;
}

.landing__nav-link--secondary,
.landing__signin-inline {
  color: rgba(255, 255, 255, 0.82);
}

.landing__signin-inline {
  display: none;
}

.landing__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.landing__button:hover,
.landing__button:focus-visible {
  transform: translateY(-1px);
}

.landing__button--compact {
  min-height: 42px;
  padding: 0 18px;
  color: var(--landing-text);
  background: var(--landing-white);
}

.landing__button--primary {
  color: var(--landing-white);
  background: var(--landing-primary);
  box-shadow: var(--landing-shadow-card);
}

.landing__button--primary:hover,
.landing__button--primary:focus-visible {
  background: var(--landing-primary-hover);
}

.landing__button--outline {
  color: var(--landing-white);
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.08);
}

.landing__button--secondary {
  color: var(--landing-primary);
  border-color: rgba(171, 59, 120, 0.22);
  background: var(--landing-white);
  box-shadow: var(--landing-shadow-card);
}

.landing__button--secondary:hover,
.landing__button--secondary:focus-visible {
  border-color: rgba(171, 59, 120, 0.42);
}

.landing__button--dark {
  min-width: 156px;
}

.landing__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: 56px;
  align-items: center;
  min-height: 540px;
  padding: 36px 0 72px;
}

.landing__hero-copy {
  max-width: 720px;
}

.landing__eyebrow {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.landing__eyebrow--dark {
  color: var(--landing-primary);
}

.landing__hero h1,
.landing__courses h2,
.landing__features h2,
.landing__footer-cta h2 {
  margin: 0;
  font-family: Poppins, Lato, Arial, sans-serif;
  font-weight: 800;
  line-height: 1.05;
}

.landing__hero h1 {
  max-width: 760px;
  font-size: 5rem;
}

.landing__lede {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
  line-height: 1.65;
}

.landing__cta-row {
  flex-wrap: wrap;
  margin-top: 32px;
}

.landing__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 16px;
  max-width: 560px;
  margin: 38px 0 0;
}

.landing__hero-stats div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(10px);
}

.landing__hero-stats dt {
  font-family: Poppins, Lato, Arial, sans-serif;
  font-size: 2rem;
  font-weight: 800;
}

.landing__hero-stats dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.landing__hero-preview,
.landing__feature-card,
.landing__course-card,
.landing__footer-cta {
  border: 1px solid rgba(26, 22, 35, 0.08);
  border-radius: 8px;
  background: var(--landing-white);
  box-shadow: var(--landing-shadow-card);
}

.landing__hero-preview {
  color: var(--landing-text);
  padding: 28px;
  box-shadow: var(--landing-shadow-lift);
}

.landing__preview-header h2 {
  margin: 0;
  font-family: Poppins, Lato, Arial, sans-serif;
  font-size: 1.55rem;
  line-height: 1.18;
}

.landing__popular-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.landing__popular-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--landing-border);
  border-radius: 8px;
}

.landing__popular-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--landing-white);
  background: var(--landing-blue);
  font-weight: 900;
}

.landing__popular-title {
  display: block;
  overflow: hidden;
  color: var(--landing-text);
  font-weight: 900;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing__popular-meta {
  display: block;
  margin-top: 3px;
  color: var(--landing-muted);
  font-size: 0.9rem;
}

.landing__popular-skeleton {
  height: 66px;
  border-radius: 8px;
  background: linear-gradient(90deg, #f2edf5, #ffffff, #f2edf5);
  background-size: 240% 100%;
  animation: landing-skeleton 1300ms linear infinite;
}

.landing__courses {
  padding: 70px 0 8px;
}

.landing__section-heading.landing__section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  max-width: none;
}

.landing__section-heading p {
  max-width: 660px;
  margin: 14px 0 0;
  color: var(--landing-muted);
  line-height: 1.6;
}

.landing__course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.landing__course-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  overflow: hidden;
}

.landing__course-card--skeleton {
  min-height: 360px;
  background: linear-gradient(90deg, #f2edf5, #ffffff, #f2edf5);
  background-size: 240% 100%;
  animation: landing-skeleton 1300ms linear infinite;
}

.landing__course-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(171, 59, 120, 0.12), rgba(35, 112, 114, 0.18));
}

.landing__course-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing__course-image-fallback {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--landing-primary);
  font-family: Poppins, Lato, Arial, sans-serif;
  font-size: 2rem;
  font-weight: 900;
}

.landing__course-body {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.landing__course-meta-row,
.landing__course-footer,
.landing__language-list,
.landing__course-metrics {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.landing__course-meta-row,
.landing__course-footer,
.landing__language-list {
  flex-wrap: wrap;
}

.landing__course-chip,
.landing__language-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  max-width: 100%;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.landing__course-chip {
  color: var(--landing-primary);
  background: rgba(171, 59, 120, 0.1);
}

.landing__language-chip {
  color: var(--landing-teal);
  background: rgba(35, 112, 114, 0.11);
}

.landing__course-title {
  margin: 0;
  font-family: Poppins, Lato, Arial, sans-serif;
  font-size: 1.25rem;
  line-height: 1.32;
}

.landing__course-title a {
  color: var(--landing-text);
  text-decoration: none;
}

.landing__course-title a:hover,
.landing__course-title a:focus-visible,
.landing__popular-title:hover,
.landing__popular-title:focus-visible {
  color: var(--landing-primary);
}

.landing__course-description {
  margin: 0;
  color: var(--landing-muted);
  line-height: 1.55;
}

.landing__course-footer {
  align-self: end;
  justify-content: space-between;
  padding-top: 2px;
}

.landing__course-metrics {
  flex-wrap: wrap;
  color: var(--landing-muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.landing__course-link {
  color: var(--landing-primary);
  font-weight: 900;
  text-decoration: none;
}

@keyframes landing-skeleton {
  to {
    background-position: -240% 0;
  }
}

.landing__features {
  padding: 70px 0 36px;
}

.landing__section-heading {
  max-width: 760px;
}

.landing__features h2,
.landing__courses h2,
.landing__footer-cta h2 {
  font-size: 2.3rem;
}

.landing__feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.landing__feature-card {
  padding: 28px;
}

.landing__feature-card h3 {
  margin: 0;
  font-family: Poppins, Lato, Arial, sans-serif;
  font-size: 1.25rem;
}

.landing__feature-card p {
  margin: 12px 0 0;
  color: var(--landing-muted);
  line-height: 1.6;
}

.landing__footer-cta {
  display: grid;
  justify-items: start;
  gap: 18px;
  margin-top: 34px;
  margin-bottom: 64px;
  padding: 40px;
}

.landing__footer-slot {
  min-height: 1px;
}

@media (max-width: 1024px) {
  .landing__hero {
    min-height: auto;
  }

  .landing__hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .landing__hero h1 {
    font-size: 3.6rem;
  }

  .landing__hero-preview {
    max-width: 560px;
  }

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

@media (max-width: 768px) {
  .landing__hero {
    min-height: 0;
  }

  .landing__nav,
  .landing__hero-grid,
  .landing__courses,
  .landing__features,
  .landing__footer-cta {
    width: min(100% - 48px, 720px);
  }

  .landing__hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 40px 0 64px;
  }

  .landing__hero-preview {
    display: none;
  }

  .landing__hero-stats {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .landing__feature-grid {
    grid-template-columns: 1fr;
  }

  .landing__section-heading.landing__section-heading--split,
  .landing__course-grid {
    grid-template-columns: 1fr;
  }

  .landing__section-heading.landing__section-heading--split {
    align-items: start;
  }
}

@media (max-width: 480px) {
  .landing__nav,
  .landing__hero-grid,
  .landing__courses,
  .landing__features,
  .landing__footer-cta {
    width: calc(100% - 32px);
  }

  .landing__nav {
    padding: 18px 0;
  }

  .landing__brand-mark {
    max-width: 112px;
    height: 30px;
  }

  .landing__brand-text,
  .landing__nav-link {
    display: none;
  }

  .landing__hero h1 {
    font-size: 2rem;
  }

  .landing__lede {
    font-size: 1rem;
  }

  .landing__signin-inline {
    display: inline-flex;
  }

  .landing__hero-stats {
    grid-template-columns: 1fr;
  }

  .landing__features h2,
  .landing__courses h2,
  .landing__footer-cta h2 {
    font-size: 1.75rem;
  }

  .landing__footer-cta {
    padding: 28px;
  }

  .landing__course-body {
    padding: 18px;
  }
}