:root {
  --blog-bg: #f3f0ff;
  --blog-panel: rgba(255, 255, 255, 0.88);
  --blog-panel-strong: #ffffff;
  --blog-text: #17142f;
  --blog-muted: rgba(23, 20, 47, 0.72);
  --blog-accent: #796efe;
  --blog-accent-strong: #5e52f0;
  --blog-line: rgba(23, 20, 47, 0.12);
  --blog-shadow: 0 26px 60px rgba(61, 45, 144, 0.12);
}

html {
  scroll-behavior: smooth;
}

body.fastai-blog-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(121, 110, 254, 0.18), transparent 38%),
    radial-gradient(circle at top right, rgba(223, 255, 115, 0.22), transparent 24%),
    linear-gradient(180deg, #f8f6ff 0%, #efeafc 44%, #f8f7fb 100%);
  color: var(--blog-text);
}

.fastai-blog-main {
  padding: 9.5rem 0 5rem;
}

.blog-shell {
  width: 100%;
}

.blog-shell__inner {
  width: min(1180px, calc(100vw - 24px));
  margin: 0 auto;
}

.blog-hero,
.blog-article__hero,
.blog-card,
.blog-cta,
.glossary-card {
  border: 1px solid var(--blog-line);
  background: var(--blog-panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--blog-shadow);
}

.blog-hero {
  border-radius: 40px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.blog-hero::after,
.blog-article__hero::after,
.blog-cta::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(121, 110, 254, 0.22), transparent 68%);
  pointer-events: none;
}

.blog-hero__copy,
.blog-article__hero,
.blog-cta {
  position: relative;
  z-index: 1;
}

.blog-hero__title,
.blog-article__title {
  margin: 1rem 0 0;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.blog-hero__lead,
.blog-article__lead,
.blog-article__intro,
.blog-card__excerpt,
.blog-cta__body,
.blog-glossary__heading p,
.glossary-card__description {
  color: var(--blog-muted);
  line-height: 1.65;
}

.blog-hero__lead,
.blog-article__lead {
  margin: 1rem 0 0;
  max-width: 52rem;
  font-size: 1.1rem;
}

.blog-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.blog-card {
  border-radius: 32px;
  padding: 2rem;
}

.blog-card__meta,
.blog-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  color: var(--blog-muted);
  font-size: 0.92rem;
}

.blog-card__title {
  margin: 1rem 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.blog-card__title a {
  color: inherit;
  text-decoration: none;
}

.blog-card__title a:hover,
.blog-card__link:hover,
.blog-back-link:hover {
  color: var(--blog-accent-strong);
}

.blog-card__excerpt {
  max-width: 48rem;
  margin: 0;
  font-size: 1rem;
}

.blog-card__link,
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.25rem;
  color: var(--blog-accent);
  font-weight: 600;
  text-decoration: none;
}

.blog-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 2.25rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(121, 110, 254, 0.12);
  color: var(--blog-accent-strong);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.blog-back-link {
  margin: 0 0 1rem;
}

.blog-article {
  display: grid;
  gap: 1.5rem;
}

.blog-article__hero {
  border-radius: 40px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.blog-article__intro {
  margin: 1rem 0 0;
  max-width: 52rem;
}

.blog-glossary {
  display: grid;
  gap: 1.25rem;
}

.blog-glossary__heading {
  display: grid;
  gap: 0.75rem;
}

.blog-glossary__heading p {
  margin: 0;
  max-width: 46rem;
}

.blog-glossary__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.glossary-card {
  border-radius: 28px;
  padding: 1.5rem;
  min-height: 100%;
}

.glossary-card__number {
  color: var(--blog-accent);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.glossary-card__title {
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.35rem;
  font-size: 1.32rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.glossary-card__title span {
  color: var(--blog-muted);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.glossary-card__description {
  margin: 0.85rem 0 0;
  font-size: 0.98rem;
}

.blog-cta {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(23, 20, 47, 0.96), rgba(58, 39, 124, 0.92)),
    var(--blog-panel-strong);
  color: #ffffff;
}

.blog-cta__eyebrow {
  color: rgba(223, 255, 115, 0.9);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blog-cta__title {
  margin: 1rem 0 0;
  max-width: 32rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.blog-cta__body {
  margin: 1rem 0 0;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.74);
}

.blog-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  min-height: 3.5rem;
  padding: 0.95rem 1.4rem;
  border-radius: 1.4rem;
  background: #dfff73;
  color: #17142f;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 18px 36px rgba(223, 255, 115, 0.18);
}

.blog-cta__button:hover {
  background: #ecffae;
}

@media (max-width: 900px) {
  .fastai-blog-main {
    padding-top: 8.5rem;
  }

  .blog-shell__inner {
    width: min(100vw - 20px, 1180px);
  }

  .blog-hero,
  .blog-article__hero,
  .blog-card,
  .blog-cta {
    border-radius: 28px;
    padding: 1.5rem;
  }

  .blog-glossary__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-card__meta,
  .blog-article__meta {
    gap: 0.45rem 0.7rem;
    font-size: 0.84rem;
  }

  .blog-hero__lead,
  .blog-article__lead,
  .blog-article__intro,
  .blog-card__excerpt,
  .glossary-card__description,
  .blog-cta__body {
    font-size: 0.98rem;
  }
}