/**
 * Case Studies — archive, cards, filters, single.
 * Built on the ArabiaPro design tokens (main.css :root variables).
 */

/* ── Archive shell ── */
.cs-archive {
  padding: 48px 0 80px;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(10, 136, 46, 0.06) 0%, rgba(10, 136, 46, 0) 70%),
    var(--bg-light);
}

/* ── Breadcrumbs ── */
.cs-breadcrumbs {
  margin-bottom: 24px;
}
.cs-breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
}
.cs-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cs-breadcrumbs a {
  color: var(--text-gray);
  transition: color 0.2s;
}
.cs-breadcrumbs a:hover {
  color: var(--primary-color);
}
.cs-breadcrumbs [aria-current="page"] {
  color: var(--text-dark);
  font-weight: 600;
}
.cs-breadcrumbs__sep {
  color: #cbd5e1;
}

/* ── Header ── */
.cs-archive__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}
.cs-archive__title {
  font-size: 2.8rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.cs-archive__desc {
  color: var(--text-gray);
  font-size: 1.125rem;
  margin: 0 auto;
}

/* ── Filter bar ── */
.cs-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
}
.cs-filter {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all 0.25s ease;
}
.cs-filter:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.cs-filter.is-active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 8px 20px rgba(10, 136, 46, 0.25);
}

/* ── Grid ── */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cs-archive.is-loading .cs-grid {
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

/* ── Card (glassmorphism, equal height) ── */
.cs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.cs-card:hover {
  transform: translateY(-8px);
  border-color: #BEE3C5;
  box-shadow: 0 24px 48px rgba(10, 136, 46, 0.14);
}

.cs-card__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eef2f5;
}
.cs-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.cs-card:hover .cs-card__img {
  transform: scale(1.05);
}
.cs-card__media--fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0A882E 0%, #0a6b51 100%);
}
.cs-card__fallback-icon {
  color: rgba(255, 255, 255, 0.85);
  font-size: 2.6rem;
}
.cs-card__badge {
  position: absolute;
  top: 14px;
  inset-inline-start: 14px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-color);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.cs-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 24px;
}
.cs-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: #000;
  margin: 0 0 16px;
}
.cs-card__title a {
  color: inherit;
}
.cs-card__result {
  display: inline-block;
  align-self: flex-start;
  background: #E8F5E9;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.cs-card__cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.95rem;
}
.cs-card__cta i {
  transition: transform 0.25s ease;
}
.cs-card:hover .cs-card__cta i {
  transform: translateX(4px);
}

/* Whole-card click target (keeps real links accessible above it) */
.cs-card__overlay-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.cs-card__title a,
.cs-card__badge,
.cs-card__media {
  position: relative;
  z-index: 2;
}

/* ── Empty + Load more ── */
.cs-empty {
  text-align: center;
  color: var(--text-gray);
  font-size: 1.05rem;
  padding: 40px 0;
}
.cs-loadmore-wrap {
  text-align: center;
  margin-top: 48px;
}

/* ============================================================
 * Single Case Study
 * ============================================================ */
.cs-single__hero {
  padding: 40px 0 24px;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(10, 136, 46, 0.06) 0%, rgba(10, 136, 46, 0) 70%),
    var(--white);
  text-align: center;
}
.cs-single__hero-inner {
  max-width: 820px;
}
.cs-single__hero .cs-breadcrumbs ol {
  justify-content: center;
}
.cs-single__cat {
  display: inline-block;
  background: #E8F5E9;
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.cs-single__title {
  font-size: 2.8rem;
  font-weight: 700;
  color: #000;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 auto 24px;
  max-width: 760px;
}
.cs-single__result {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  background: var(--primary-color);
  border-radius: 12px;
  padding: 14px 26px;
  box-shadow: 0 12px 30px rgba(10, 136, 46, 0.25);
}
.cs-single__result-value {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
}

.cs-single__feature {
  margin: 32px 0 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}
.cs-single__feature-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Content column — readable measure, editor stays fully flexible */
.cs-single__content {
  max-width: 820px;
  margin: 40px auto 0;
}
.cs-single__content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* Related */
.cs-related {
  padding: 64px 0 16px;
}
.cs-related__title {
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  text-align: center;
  margin-bottom: 36px;
}

.cs-single__cta {
  padding-top: 64px;
}

/* ============================================================
 * Responsive
 * ============================================================ */
@media (max-width: 992px) {
  .cs-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-archive__title { font-size: 2.3rem; }
  .cs-single__title { font-size: 2.2rem; }
}
@media (max-width: 640px) {
  .cs-grid { grid-template-columns: 1fr; }
  .cs-archive__title { font-size: 1.9rem; }
  .cs-single__title { font-size: 1.8rem; }
  .cs-single__result-value { font-size: 1.15rem; }
}

/* ── RTL niceties (badge already uses logical inset-inline-start) ── */
body.rtl .cs-card__cta i,
html[dir="rtl"] .cs-card__cta i {
  transform: scaleX(-1);
}
body.rtl .cs-card:hover .cs-card__cta i,
html[dir="rtl"] .cs-card:hover .cs-card__cta i {
  transform: scaleX(-1) translateX(4px);
}