/* =========================================================================
   Lightweight sub-page styles for simple content pages.
   Used on concepts-like list pages, service overviews, search, and legal pages.
   ========================================================================= */

.page-intro {
  padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}

.page-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(27, 58, 92, 0.06), transparent 70%),
    radial-gradient(ellipse 70% 60% at 10% 90%, rgba(184, 175, 150, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-intro__inner {
  position: relative;
  z-index: 1;
  max-width: 980px;
}

.page-intro__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0.25rem 0 1.25rem;
}

.page-intro__lede {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

.page-intro__meta {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.breadcrumbs {
  margin-bottom: 1.5rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.breadcrumbs a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.breadcrumbs li[aria-current="page"] {
  color: var(--ink);
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: clamp(2rem, 3vw, 3rem);
  border-bottom: 1px solid var(--rule-strong);
}

.tab-nav__item {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 0;
  margin-right: 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.tab-nav__item:hover {
  color: var(--ink);
}

.tab-nav__item.is-active {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.section-head__lede {
  margin: 0.85rem 0 0;
  max-width: 60ch;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.55;
}

.case-soon-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.article-section {
  padding-block: var(--section-pad);
}

.article-section--alt {
  background: var(--paper-soft);
  border-block: 1px solid var(--rule);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: clamp(1.5rem, 2.5vw, 2.25rem);
}

.article-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.article-section--alt .article-card {
  background: var(--paper);
}

.article-card:hover {
  border-color: var(--ink);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -25px rgba(13, 13, 13, 0.25);
}

.article-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  color: inherit;
}

.article-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-deep);
  position: relative;
}

.article-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.4s var(--ease);
}

.article-card:hover .article-card__media img {
  transform: scale(1.04);
}

.article-card__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 1.5rem 1.75rem 0;
}

.article-card__excerpt {
  margin: 0.85rem 1.75rem 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-muted);
  flex: 1;
}

.article-card__read {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 1.75rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 0.2rem;
  border-bottom: 1px solid currentColor;
  align-self: flex-start;
  transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}

.article-card:hover .article-card__read {
  color: var(--accent);
  gap: 0.7rem;
}

.expert-summary {
  max-width: 70ch;
}

.expert-summary p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.qa-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.qa-item {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 0.9rem 1rem;
}

.qa-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--ink);
}

.qa-item p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 68ch;
}

.article-section[aria-labelledby="services-grid-heading"] .article-card:nth-child(1) .article-card__title,
.article-section[aria-labelledby="services-grid-heading"] .article-card:nth-child(2) .article-card__title,
.article-section[aria-labelledby="services-grid-heading"] .article-card:nth-child(3) .article-card__title {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.title-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--accent);
  flex: 0 0 1.25rem;
}

.cta-strip {
  background: var(--paper-soft);
  border-block: 1px solid var(--rule);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.cta-strip__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.cta-strip__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}

.cta-strip__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  letter-spacing: -0.015em;
  margin: 0;
}

.course-intro__actions {
  margin: 1.5rem 0 0.25rem;
}

.course-intro__waitlist-btn {
  max-width: 22rem;
}

.course-glance {
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.course-glance__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
}

.course-glance__grid .contact-card {
  height: 100%;
}

.course-glance__grid .contact-card p {
  margin: 0;
  line-height: 1.55;
  color: var(--ink-soft);
}

.course-glance__grid .summer-school-facts {
  margin: 0;
  padding-left: 1rem;
}

.contact-section__inner--single {
  grid-template-columns: minmax(0, 1fr);
}

.waitlist-signup {
  width: 100%;
}

.waitlist-signup .section-head__title {
  max-width: none;
}

.waitlist-signup .contact-form,
.waitlist-signup .hs-form-frame,
.waitlist-signup .hs-form,
.waitlist-signup .hsfc-Form,
.waitlist-signup form {
  width: 100%;
  max-width: none;
}

.waitlist-signup .hs-form-frame iframe {
  width: 100% !important;
  max-width: none !important;
}

.course-preview {
  padding-top: 0;
  padding-bottom: clamp(0.5rem, 1.5vw, 1rem);
}

.course-promise {
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
}

.course-promise .section-head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 52ch;
}

.course-promise__list {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.course-promise__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-top: clamp(2rem, 4vw, 2.75rem);
  border-top: 1px solid var(--rule);
}

.course-promise__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.course-promise__item--reverse .course-promise__media {
  order: 2;
}

.course-promise__item--reverse .course-promise__body {
  order: 1;
}

.course-promise__media {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper-deep);
  aspect-ratio: 4 / 3;
}

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

.course-promise__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  color: var(--accent);
}

.course-promise__lede {
  margin: 0 0 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 42ch;
}

.course-promise__points {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.course-promise__points li + li {
  margin-top: 0.5rem;
}

.course-video-preview {
  max-width: 960px;
}

.course-video-preview .training-video__link {
  color: var(--brand-white);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.course-video-preview .training-video__link:hover {
  color: var(--brand-gold);
  text-decoration: none;
}

.course-prose {
  max-width: 68ch;
}

.course-prose h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
}

.course-prose p,
.course-prose ul {
  margin: 0 0 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.course-prose ul {
  padding-left: 1.25rem;
}

.course-prose li + li {
  margin-top: 0.45rem;
}

.course-prose a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.course-prose a:hover {
  text-decoration: none;
}

.course-prose__note {
  font-size: 0.95rem;
  color: var(--ink-muted);
  border-left: 3px solid var(--brand-gold);
  padding-left: 1rem;
  margin-top: 1.5rem;
}

.contact-card .summer-school-facts {
  margin: 0;
  padding-left: 1rem;
}

.waitlist-signup__cta {
  margin-top: 1.5rem;
}

.waitlist-signup__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: auto;
  max-width: none;
  min-width: min(22rem, 100%);
  min-height: 3.5rem;
  padding: 1rem 1.75rem;
  font-size: 1.125rem;
}

.waitlist-signup__form {
  margin-top: 0.5rem;
}

.waitlist-signup__form[hidden] {
  display: none;
}

.waitlist-signup__cta[hidden] {
  display: none;
}

@media (max-width: 760px) {
  .tab-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: thin;
  }

  .tab-nav__item {
    flex-shrink: 0;
    margin-right: 1.5rem;
  }

  .waitlist-signup__button {
    max-width: none;
  }

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

  .course-promise__item,
  .course-promise__item--reverse {
    grid-template-columns: 1fr;
  }

  .course-promise__item--reverse .course-promise__media,
  .course-promise__item--reverse .course-promise__body {
    order: initial;
  }
}