/* =========================================================
   CASE STUDIES — listing page
   ========================================================= */

/* ---------------------------------------------------------
   1. HERO
   --------------------------------------------------------- */
.cs-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--sp-9) var(--sp-8);
  background: var(--surface-page);
  border-bottom: 1px solid var(--ink-100);
}

.cs-hero-texture {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(11, 22, 63, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.7) 0%, transparent 42%);
  -webkit-mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.7) 0%, transparent 42%);
}

.cs-hero-eyebrow {
  position: relative;
  z-index: 1;
}

.cs-hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--sp-5);
}

.cs-hero-headline {
  grid-column: 1 / 11;
  margin: var(--sp-4) 0 var(--sp-5);
  font-size: var(--fs-display);
  font-weight: var(--fw-light);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--ink-900);
}

.cs-hero-headline em {
  font-style: normal;
  color: var(--nasdan-amber-700);
}

/* Tag-qualified so this beats the global `p:last-child { margin-bottom: 0; }`
   reset in main.css -- .cs-hero-lead is a <p> and the last child of
   .cs-hero-copy, so the plain class selector alone was losing to that
   higher-specificity reset and the margin-bottom was never rendering. */
p.cs-hero-lead {
  grid-column: 1 / 11;
  margin: 0 0 var(--sp-9);
  font-size: var(--fs-lead);
  line-height: var(--lh-relaxed);
  color: var(--ink-500);
}

/* Single-row sliding filter rail -- flex-nowrap + native horizontal
   scroll instead of flex-wrap, since the tag list only grows over time
   and wrapping to multiple rows doesn't scale. Scrollbar is hidden and
   replaced with an edge fade (mask-image) that a small JS listener
   (main.js, [data-filter-rail]) toggles off on whichever side has
   nothing left to scroll to. */
.filter-rail {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--sp-3);
  flex-wrap: nowrap;
  overflow-x: auto; scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
  padding-block: 2px;
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 28px, black calc(100% - 28px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, black 28px, black calc(100% - 28px), transparent 100%);
}
.filter-rail::-webkit-scrollbar { display: none; }
.filter-rail.is-at-start {
  -webkit-mask-image: linear-gradient(to right, black 0, black calc(100% - 28px), transparent 100%);
  mask-image: linear-gradient(to right, black 0, black calc(100% - 28px), transparent 100%);
}
.filter-rail.is-at-end {
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 28px, black 100%);
  mask-image: linear-gradient(to right, transparent 0, black 28px, black 100%);
}
.filter-rail.is-at-start.is-at-end { -webkit-mask-image: none; mask-image: none; }

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-200);
  background: var(--white);
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--ink-700);
  cursor: pointer;
  flex: none;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.filter-pill:hover {
  border-color: var(--nasdan-navy-600);
  color: var(--nasdan-navy);
}

.filter-pill.is-active {
  background: var(--nasdan-navy);
  border-color: var(--nasdan-navy);
  color: var(--white);
}

@media (max-width: 767.98px) {
  .cs-hero-headline,
  .cs-hero-lead {
    grid-column: 1 / 13;
  }
}

@media (max-width: 575.98px) {
  .cs-hero-headline {
    font-size: clamp(2rem, 1.6rem + 4vw, 2.75rem);
  }
}

/* ---------------------------------------------------------
   2. SPOTLIGHT
   --------------------------------------------------------- */
.cs-spotlight {
  padding-block: var(--sp-8);
  background: var(--surface-page);
}

/* Contained "card" treatment (rounded, bordered, shadowed) so the flagship
   navy block reads as a card sitting on the page -- not a full-bleed row --
   leaving white space to the ends, the same way the blog's .blog-feature
   card does. */
.cs-spotlight-card {
  position: relative;
  overflow: hidden;
  padding: var(--sp-8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg, var(--shadow-md));
  background: var(--nasdan-navy);
}

.cs-spotlight-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-8);
  align-items: center;
}

.cs-spotlight-visual {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-lg, var(--shadow-md));
  background: linear-gradient(150deg, var(--nasdan-navy-600) 0%, var(--nasdan-navy-800) 100%);
}

.cs-spotlight-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 22px 22px;
}

.cs-spotlight-visual::after {
  content: "";
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 65%;
  height: 65%;
  background: radial-gradient(circle, rgba(255, 193, 7, 0.24), transparent 70%);
  pointer-events: none;
}

.cs-spotlight-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-spotlight-badge {
  display: inline-block;
  margin-bottom: var(--sp-4);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--nasdan-amber);
  color: var(--nasdan-navy);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}

.cs-spotlight-tag {
  display: block;
  margin-bottom: var(--sp-3);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--nasdan-amber);
}

.cs-spotlight-copy h2 {
  margin: 0 0 var(--sp-4);
  max-width: 20ch;
  font-size: var(--fs-h1);
  font-weight: var(--fw-light);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--white);
}

.cs-spotlight-copy p {
  max-width: 48ch;
  margin: 0 0 var(--sp-6);
  font-size: var(--fs-lead);
  line-height: var(--lh-relaxed);
  color: var(--paper-300);
}

@media (max-width: 991.98px) {
  .cs-spotlight-card {
    padding: var(--sp-7);
  }
  .cs-spotlight-top {
    grid-template-columns: 1fr;
  }
  .cs-spotlight-visual {
    min-height: 260px;
  }
}

@media (max-width: 575.98px) {
  .cs-spotlight-card {
    padding: var(--sp-5);
  }
}

/* ---------------------------------------------------------
   3. CASE STUDY GRID
   --------------------------------------------------------- */
.cs-grid-section {
  padding-block: var(--section-pad-y-lg);
  background: var(--surface-page);
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-7);
}

.case-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ---- Cover image (falls back to a branded gradient when a case study
   has no cover_image yet -- same pattern as blog's .post-card-media) ---- */
.case-card-media { position: relative; height: 200px; overflow: hidden; display: block; }
.case-card-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-card-media::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px); background-size: 18px 18px;
}
.case-card--navy .case-card-media { background: linear-gradient(150deg, var(--nasdan-navy), var(--nasdan-navy-600)); }
.case-card--amber .case-card-media { background: linear-gradient(150deg, var(--nasdan-amber-600), var(--nasdan-amber)); }
.case-card--amber .case-card-media::before { background-image: radial-gradient(rgba(11,22,63,0.14) 1px, transparent 1px); }
.case-card--cloud .case-card-media { background: linear-gradient(150deg, var(--cloud-300), var(--cloud)); }
.case-card--cloud .case-card-media::before { background-image: radial-gradient(rgba(11,22,63,0.10) 1px, transparent 1px); }

/* Kept neutral (white/navy) rather than amber on purpose -- it overlays
   directly on top of client photography, so it needs to stay legible
   regardless of the image underneath. Same rule as the blog's card tag. */
.case-card-media-tag {
  position: absolute; bottom: var(--sp-4); left: var(--sp-4); background: var(--white); color: var(--nasdan-navy);
  font-size: 0.75rem; font-weight: var(--fw-semibold); letter-spacing: var(--ls-wide); text-transform: uppercase;
  padding: 0.35rem 0.75rem; border-radius: var(--radius-pill); z-index: 1;
}

.case-card-body { display: flex; flex-direction: column; flex: 1; padding: var(--sp-7) var(--sp-6) var(--sp-6); }

.case-card-body h3 {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-h4);
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-tight);
  color: var(--ink-900);
}

.case-card-body h3 a { color: inherit; }
.case-card-body h3 a:hover { color: var(--nasdan-navy-600); }

/* Clamped to a fixed number of lines so every card's excerpt occupies the
   same visual space regardless of length -- same pattern used for the
   blog cards. */
.case-card-body p {
  margin: 0 0 var(--sp-6);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
  color: var(--ink-700);
  flex: 1;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden;
}

.case-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--ink-100);
}

.case-card-badge {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--cloud);
  color: var(--ink-500);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  white-space: nowrap;
}

@media (max-width: 991.98px) {
  .cs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 575.98px) {
  .cs-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------
   3b. PAGINATION
   --------------------------------------------------------- */
.pagination-nasdan { display: flex; align-items: center; justify-content: center; gap: var(--sp-2); margin-top: var(--sp-8); }
.page-btn {
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--ink-200); color: var(--ink-700); font-size: 0.875rem; font-weight: var(--fw-medium);
  transition: all var(--dur-base) var(--ease-out);
}
.page-btn:hover { border-color: var(--nasdan-navy); color: var(--nasdan-navy); }
.page-btn.is-active { background: var(--nasdan-navy); border-color: var(--nasdan-navy); color: var(--white); pointer-events: none; }
.page-btn.page-btn-ellipsis { border-color: transparent; cursor: default; }
.page-btn.prev, .page-btn.next { width: auto; border-radius: var(--radius-pill); padding: 0 var(--sp-4); gap: var(--sp-2); }
.page-btn svg { width: 14px; height: 14px; flex: none; }