/* =============================================================================
   STUDIO CAELUM - SUBPAGE STYLING & NAVIGATION HARMONY
   Inherits core tokens from style.css
   ========================================================================== */

.subpage-body {
  background: #05070c;
  color: var(--fg, #ded4c2);
  font-family: var(--sans, 'Jost', sans-serif);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 86px;
  position: relative;
  overflow-x: hidden;
}

/* Global Ambient Stars Canvas on Subpages */
.subpage-body .stars-global {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.subpage-body header.nav,
.subpage-body main,
.subpage-body footer,
.subpage-body .drawer {
  position: relative;
  z-index: 2;
}

/* Persistent Nav Bar Override for Subpages */
.subpage-body .nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 120 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 16px var(--gut, 24px) !important;
  transform: none !important;
  background: rgba(5, 7, 12, 0.92) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border-bottom: 1px solid rgba(222, 212, 194, 0.08) !important;
  transition: background 0.3s ease, border-color 0.3s ease !important;
}

.subpage-body .nav__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.subpage-body .nav__logo {
  width: clamp(38px, 4.5vw, 48px);
  height: clamp(38px, 4.5vw, 48px);
  object-fit: contain;
  display: block;
}

.subpage-body .nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

@media (max-width: 860px) {
  .subpage-body .nav__links {
    display: none !important;
  }
}

.subpage-body .nav__links a {
  font-family: var(--sans, 'Jost', sans-serif);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ded4c2;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
  opacity: 0.85;
}

.subpage-body .nav__links a:hover {
  color: #ffffff;
  opacity: 1;
}

.subpage-body .nav__links .nav__link--contact {
  padding: 7px 18px;
  border-radius: 8px;
  border: 1px solid rgba(222, 212, 194, 0.28);
  background: rgba(222, 212, 194, 0.04);
  color: #ded4c2;
}

.subpage-body .nav__links .nav__link--contact:hover {
  border-color: rgba(222, 212, 194, 0.7);
  background: rgba(222, 212, 194, 0.12);
}

/* Mobile Drawer Overlay Support for Subpages */
.subpage-body .drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0.4s ease;
}

.subpage-body .drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}

.subpage-body .drawer__scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.subpage-body .drawer.is-open .drawer__scrim {
  opacity: 1;
}

.subpage-body .drawer__inner {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(90vw, 420px);
  background: #070a14;
  border-left: 1px solid rgba(222, 212, 194, 0.1);
  padding: 32px var(--gut, 24px);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.subpage-body .drawer.is-open .drawer__inner {
  transform: translateX(0);
}

.subpage-body .drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(222, 212, 194, 0.08);
  margin-bottom: 24px;
}

.subpage-body .drawer__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold, #e3af64);
}

.subpage-body .drawer__coords {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(222, 212, 194, 0.5);
  font-family: monospace;
}

.subpage-body .drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subpage-body .drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 6px;
  border: 1px solid rgba(222, 212, 194, 0.06);
  background: rgba(255, 255, 255, 0.02);
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

.subpage-body .drawer__link:hover {
  background: rgba(222, 212, 194, 0.06);
  border-color: rgba(222, 212, 194, 0.2);
}

.subpage-body .drawer__link-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.subpage-body .drawer__no {
  font-size: 11px;
  color: var(--gold, #e3af64);
  font-family: monospace;
}

.subpage-body .drawer__name {
  font-family: var(--serif, 'Cormorant Garamond', Georgia, serif);
  font-size: 1.25rem;
  color: #ffffff;
  display: block;
}

.subpage-body .drawer__desc {
  font-size: 12px;
  color: rgba(222, 212, 194, 0.6);
  display: block;
}

.subpage-body .drawer__arrow {
  color: var(--gold, #e3af64);
  font-size: 16px;
}

/* Breadcrumbs */
.sub-breadcrumbs {
  padding: 28px 0 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

.sub-breadcrumbs a {
  color: var(--cream-mute);
  text-decoration: none;
  transition: color 0.25s;
}

.sub-breadcrumbs a:hover {
  color: var(--gold);
}

.sub-breadcrumbs span[aria-hidden="true"] {
  opacity: 0.5;
}

.sub-breadcrumbs .is-current {
  color: var(--gold);
}

/* Subpage Hero */
.sub-hero {
  padding: 36px 0 64px;
  border-bottom: 1px solid var(--rule-soft);
  position: relative;
}

.sub-hero__kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 500;
}

.sub-hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.3rem, 4.8vw, 4.2rem);
  line-height: 1.14;
  color: #ffffff;
  margin: 0 0 20px;
  max-width: 24ch;
}

.sub-hero__title em {
  font-style: italic;
  font-weight: 300;
  color: var(--cream-dim);
}

.sub-hero__lead {
  font-size: clamp(16.5px, 1.3vw, 20px);
  line-height: 1.68;
  color: var(--cream-dim);
  max-width: 68ch;
  margin: 0 0 28px;
}

.sub-hero__meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  font-size: 13px;
  color: var(--cream-mute);
}

.sub-hero__meta-item b {
  color: var(--white);
  font-weight: 500;
  margin-right: 6px;
}

/* Content Layout */
.sub-layout {
  padding: 64px 0 88px;
}

.sub-prose {
  max-width: 76ch;
}

.sub-prose h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  line-height: 1.22;
  color: #ffffff;
  margin: 52px 0 18px;
}

.sub-prose h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  color: var(--cream);
  margin: 32px 0 14px;
}

.sub-prose p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--cream-dim);
  margin: 0 0 20px;
}

.sub-prose ul {
  padding-left: 20px;
  margin: 0 0 26px;
  color: var(--cream-dim);
}

.sub-prose li {
  margin-bottom: 10px;
  line-height: 1.65;
}

/* Feature Cards Grid */
.sub-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 36px 0 56px;
}

.sub-card {
  padding: 28px;
  background: var(--ink-2);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.sub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(223, 200, 150, 0.35);
}

.sub-card__num {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 10px;
  font-weight: 500;
}

.sub-card__title {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: #ffffff;
  margin: 0 0 10px;
  font-weight: 400;
}

.sub-card__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--cream-dim);
  margin: 0;
}

/* Topical Cluster: Related Case Studies */
.sub-cluster-section {
  padding: 56px 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  margin: 56px 0;
}

.sub-cluster-header {
  margin-bottom: 32px;
}

.sub-cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.sub-case-item {
  background: var(--ink-2);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: all 0.35s ease;
}

.sub-case-item:hover {
  border-color: rgba(223, 200, 150, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

.sub-case-item__img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}

.sub-case-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}

.sub-case-item:hover .sub-case-item__img {
  transform: scale(1.04);
}

.sub-case-item__content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sub-case-item__tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sub-case-item__name {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: #ffffff;
  margin: 0 0 8px;
  font-weight: 400;
}

.sub-case-item__lead {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cream-dim);
  margin-bottom: 18px;
  flex: 1;
}

.sub-case-item__arrow {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

/* FAQ Section */
.sub-faq-section {
  padding: 48px 0;
  margin: 36px 0 56px;
}

.sub-faq-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.sub-faq-item:first-of-type {
  border-top: 1px solid var(--rule-soft);
}

.sub-faq-q {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: #ffffff;
  margin: 0 0 10px;
  font-weight: 400;
}

.sub-faq-a {
  font-size: 15px;
  line-height: 1.72;
  color: var(--cream-dim);
  margin: 0;
}

/* Case Study Detail Specifics */
.case-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  padding: 22px;
  background: var(--ink-2);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  margin: 32px 0;
}

.case-meta-box__lbl {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}

.case-meta-box__val {
  font-size: 14px;
  color: #ffffff;
  font-weight: 400;
}

.case-image-banner {
  margin: 36px 0 48px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--rule-soft);
  background: #000;
}

.case-image-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.case-metrics-banner {
  padding: 28px;
  background: rgba(223, 200, 150, 0.05);
  border: 1px solid rgba(223, 200, 150, 0.22);
  border-radius: 8px;
  margin: 36px 0;
}

.case-metrics-banner__title {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.case-metrics-banner__val {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  color: #ffffff;
  margin: 0;
}

/* CTA Box */
.sub-cta {
  padding: 48px var(--gut);
  background: var(--ink-2);
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  text-align: center;
  margin: 56px 0 88px;
  position: relative;
  overflow: hidden;
}

.sub-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.sub-cta__title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  color: #ffffff;
  margin: 0 0 14px;
  font-weight: 300;
}

.sub-cta__desc {
  font-size: 15.5px;
  color: var(--cream-dim);
  max-width: 52ch;
  margin: 0 auto 24px;
  line-height: 1.65;
}

.sub-cta__btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 26px;
  background: var(--gold);
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.sub-cta__btn:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(223, 200, 150, 0.25);
}

/* About Page Founders Grid */
.founder-profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin: 44px 0 64px;
}

.founder-card {
  background: var(--ink-2);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.founder-card__role {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}

.founder-card__name {
  font-family: var(--serif);
  font-size: 1.85rem;
  color: #ffffff;
  margin: 0 0 4px;
  font-weight: 400;
}

.founder-card__discipline {
  font-size: 14px;
  color: var(--cream-mute);
  margin: 0 0 20px;
}

.founder-card__bio {
  font-size: 15px;
  line-height: 1.72;
  color: var(--cream-dim);
  margin-bottom: 24px;
  flex: 1;
}

.founder-skills-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule-soft);
  padding-top: 18px;
}

.founder-skills-item {
  margin-bottom: 12px;
}

.founder-skills-item__title {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  color: #ffffff;
}

.founder-skills-item__desc {
  display: block;
  font-size: 12.5px;
  color: var(--cream-mute);
  line-height: 1.5;
}

/* Footer */
.sub-foot {
  margin-top: auto;
  border-top: 1px solid var(--rule-soft);
  padding: 48px 0 32px;
  background: #05070c;
}

.sub-foot__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 44px;
}

@media (max-width: 850px) {
  .sub-foot__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 550px) {
  .sub-foot__grid {
    grid-template-columns: 1fr;
  }
}

.sub-foot__col-title {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  font-weight: 500;
}

.sub-foot__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sub-foot__links li {
  margin-bottom: 9px;
}

.sub-foot__links a {
  color: var(--cream-dim);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.25s;
}

.sub-foot__links a:hover {
  color: var(--gold);
}

.sub-foot__brand-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cream-mute);
  margin: 12px 0 0;
}

.sub-foot__bottom {
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--cream-mute);
  gap: 12px;
}

.sub-foot__bottom a {
  color: var(--cream-mute);
  text-decoration: none;
}

.sub-foot__bottom a:hover {
  color: var(--gold);
}

/* ─────────────────────────────────────────────────────────────
   CASE STUDY SHOWCASE (LIVE NOW SINGLE & DUAL)
   ───────────────────────────────────────────────────────────── */
.case-single-showcase {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(14, 23, 56, 0.55);
  border: 1px solid var(--rule-soft, rgba(217, 192, 137, 0.22));
  border-radius: 8px;
  padding: 10px;
  overflow: hidden;
  margin: 24px 0 36px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.case-single-showcase:hover {
  transform: translateY(-2px);
  border-color: rgba(217, 192, 137, 0.5);
}

.case-single-showcase img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  display: block;
}

.case-dual-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0 38px;
}

.case-dual-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(14, 23, 56, 0.55);
  border: 1px solid var(--rule-soft, rgba(217, 192, 137, 0.22));
  border-radius: 8px;
  padding: 10px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.case-dual-item:hover {
  transform: translateY(-2px);
  border-color: rgba(217, 192, 137, 0.5);
}

.case-dual-item img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  display: block;
}

.case-dual-caption {
  font-family: var(--serif, 'Cormorant Garamond', serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--gold, #d9c089);
  text-align: center;
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .case-dual-showcase {
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 20px 0 30px;
  }
}