/* The Enterprise AI Measurement Guide (/ai-measurement-guide/).
   Layout follows Andrew's indextemplate.html mockup; colour, type, and radii
   come from tokens.css so the page matches the rest of the site.
   main.css is loaded alongside this file by the page's `stylesheets` front matter. */

/* Breadcrumbs */

.guide-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 20px;
  color: var(--color-gray-500);
}

.guide-crumbs__item + .guide-crumbs__item::before {
  content: '/';
  margin-right: 6px;
  opacity: 0.6;
}

.guide-crumbs__item a:hover {
  color: var(--color-purple-600);
}

.guide-crumbs__item--current {
  font-weight: 600;
  color: var(--color-gray-950);
}

/* Kicker */

.guide-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0 0;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-purple-200);
  color: var(--color-purple-800);
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-kicker__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-purple-600);
}

/* Hero */

.guide-hero {
  padding: 32px 0 8px;
}

.guide-hero__title {
  margin: 20px 0 18px;
  max-width: 900px;
  font-size: 52px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-gray-950);
}

.guide-hero__lede {
  margin: 0 0 28px;
  max-width: 720px;
  font-size: 19px;
  line-height: 30px;
  color: var(--color-gray-600);
}

.guide-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.guide-hero__actions .btn {
  padding: 14px 24px;
  font-size: 15px;
  line-height: 22px;
}

.guide-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 20px;
  color: var(--color-gray-500);
}

.guide-hero__meta b {
  font-weight: 600;
  color: var(--color-gray-950);
}

/* Intro copy */

.guide-intro {
  padding: 32px 0 8px;
}

.guide-intro__inner p {
  margin: 0 0 16px;
  max-width: 760px;
  font-size: 17px;
  line-height: 28px;
  color: var(--color-gray-800);
}

/* Section cards */

.guide-sections {
  padding: 32px 0 16px;
}

.guide-sections__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 26px;
  border: 1px solid var(--color-card-stroke);
  border-radius: var(--radius-lg);
  background: var(--color-white);
}

.guide-card--link {
  transition:
    box-shadow 0.15s ease,
    transform 0.15s ease,
    border-color 0.15s ease;
}

.guide-card--link:hover {
  transform: translateY(-2px);
  border-color: var(--color-purple-300);
  box-shadow: var(--shadow-card);
}

.guide-card--pending {
  background: var(--color-gray-25);
  border-color: var(--color-gray-200);
}

.guide-card--pending .guide-card__icon {
  background: var(--color-gray-400);
}

.guide-card--pending .guide-card__title {
  color: var(--color-gray-600);
}

.guide-card--pending .guide-card__blurb {
  color: var(--color-gray-500);
}

.guide-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: var(--color-purple-600);
  color: var(--color-white);
}

.guide-card__icon svg {
  width: 22px;
  height: 22px;
}

.guide-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 26px;
  color: var(--color-gray-950);
}

.guide-card__blurb {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 24px;
  color: var(--color-gray-600);
}

.guide-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  font-size: 13px;
  line-height: 20px;
}

.guide-card__count {
  font-weight: 600;
  color: var(--color-gray-500);
}

.guide-card__go {
  font-weight: 600;
  color: var(--color-purple-700);
}

.guide-card__badge {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-gray-25);
  color: var(--color-gray-500);
  font-weight: 600;
}

/* Closing CTA */

.guide-cta {
  padding: 64px 0;
}

.guide-cta__banner {
  padding: 56px 48px;
  border-radius: 24px;
  background: var(--color-gray-950);
  color: var(--color-white);
  text-align: center;
}

.guide-cta__title {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
}

.guide-cta__body {
  margin: 0 auto 28px;
  max-width: 560px;
  font-size: 17px;
  line-height: 28px;
  color: var(--color-gray-300);
}

.guide-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.guide-cta__actions .btn {
  padding: 14px 24px;
  font-size: 15px;
  line-height: 22px;
}

.guide-cta__actions .btn--outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.guide-cta__actions .btn--outline:hover {
  background: var(--color-white);
  color: var(--color-gray-950);
  opacity: 1;
}

/* Metric and section pages */

.guide-article {
  max-width: 960px;
  padding: 32px 0 8px;
}

.guide-article > :not(.guide-article__image) {
  max-width: 760px;
}

.guide-article h1 {
  margin: 20px 0 18px;
  font-size: 52px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-gray-950);
}

.guide-article h2 {
  margin: 32px 0 12px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-gray-950);
}

.guide-article h2 + p,
.guide-faq details p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 28px;
  color: var(--color-gray-800);
}

.guide-article h2 + p a {
  color: var(--color-purple-700);
  text-decoration: underline;
}

.guide-faq details p {
  margin: 12px 0 0;
}

.guide-article__eyebrow {
  margin: 16px 0 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  color: var(--color-gray-500);
}

.guide-article__image {
  width: 100%;
  max-width: 960px;
  height: auto;
  margin: 8px 0 32px;
  border-radius: var(--radius-lg);
  display: block;
}

.guide-article__question {
  margin: 0 0 28px;
  font-size: 19px;
  line-height: 30px;
  color: var(--color-gray-600);
}

.guide-faq details {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.guide-faq summary {
  font-weight: 600;
  cursor: pointer;
}

ul.guide-related,
.guide-section-list {
  display: grid;
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

ul.guide-related a,
.guide-section-list a {
  display: block;
  padding: 16px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
}

ul.guide-related a:hover,
.guide-section-list a:hover {
  border-color: var(--color-purple-300);
}

.guide-section-list a {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-section-list strong {
  font-size: 18px;
  font-weight: 600;
  line-height: 26px;
  color: var(--color-gray-950);
}

.guide-section-list span {
  font-size: 15px;
  line-height: 24px;
  color: var(--color-gray-600);
}

/* Related reading */

section.guide-related {
  padding: 64px 0 80px;
  border-top: 1px solid var(--color-gray-100);
  background: var(--color-section-muted);
}

.guide-related__title {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-gray-950);
}

.guide-related__sub {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 26px;
  color: var(--color-gray-600);
}

.guide-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-post {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--color-card-stroke);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition:
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.guide-post:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.guide-post__thumb {
  display: flex;
  align-items: flex-end;
  height: 140px;
  padding: 16px;
  color: var(--color-white);
}

.guide-post__thumb svg {
  width: 30px;
  height: 30px;
}

.guide-post__thumb--a {
  background: linear-gradient(135deg, var(--color-blue-gray-700), var(--color-purple-600));
}

.guide-post__thumb--b {
  background: linear-gradient(135deg, var(--color-blue-950), var(--color-blue-gray-500));
}

.guide-post__thumb--c {
  background: linear-gradient(135deg, var(--color-gray-950), var(--color-purple-700));
}

.guide-post__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 20px 20px;
}

.guide-post__tag {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-purple-200);
  color: var(--color-gray-950);
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
}

.guide-post__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  color: var(--color-gray-950);
}

.guide-post__meta {
  font-size: 13px;
  line-height: 20px;
  color: var(--color-gray-500);
}

/* Responsive */

@media (max-width: 1024px) {
  .guide-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .guide-hero__title {
    font-size: 34px;
  }

  .guide-hero__lede {
    font-size: 17px;
    line-height: 28px;
  }

  .guide-sections__grid,
  .guide-related__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-cta__banner {
    padding: 40px 24px;
  }

  .guide-cta__title {
    font-size: 26px;
  }

  section.guide-related {
    padding: 48px 0 64px;
  }
}

@media (max-width: 720px) {
  .guide-article h1 {
    font-size: 32px;
  }
}