/* ============================================================
   MEDHAS LAW — case-studies.css
   Case Studies page — builds on shared styles.css tokens
   ============================================================ */

.nav-link--active { color: var(--gold) !important; font-weight: 600; }
.mobile-nav-link--active { color: var(--gold) !important; font-weight: 600; }

/* ── Scroll Reveal ─────────────────────────────────────────── */
.cs-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .60s ease, transform .60s ease;
  transition-delay: var(--d, 0s);
}
.cs-reveal.revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .cs-reveal { opacity: 1; transform: none; transition: none; }
}

/* ── HERO ──────────────────────────────────────────────────── */
.cs-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 72px) 0 80px;
}
.cs-hero-bg { position: absolute; inset: 0; z-index: 0; }
.cs-hero-bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.cs-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(11,31,58,.92) 0%, rgba(16,43,80,.85) 50%, rgba(16,43,80,.65) 100%);
}
.cs-hero-inner { position: relative; z-index: 1; }
.cs-hero-content { max-width: 640px; }
.cs-hero-heading {
  font-size: clamp(2.1rem, 4.5vw, 3.3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.14;
  margin: 12px 0 20px;
}
.cs-hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,.76);
  line-height: 1.85;
  margin-bottom: 28px;
  max-width: 540px;
}
.cs-hero-notice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 4px;
  padding: 8px 14px;
  background: rgba(255,255,255,.05);
}

/* ── META TAGS ────────────────────────────────────────────── */
.cs-card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.cs-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  background: rgba(16,43,80,.07);
  color: var(--navy);
}
.cs-meta-tag--usa { background: rgba(60,90,180,.10); color: #1a4090; }
.cs-meta-tag--india { background: rgba(255,153,51,.10); color: #b35a00; }

/* ── FEATURED ─────────────────────────────────────────────── */
.cs-featured { background: var(--white); }
.cs-featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.cs-featured-img-wrap { position: relative; }
.cs-featured-badge {
  position: absolute;
  top: 20px; left: 20px;
  z-index: 2;
  background: var(--gold);
  color: var(--navy);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
}
.cs-featured-img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  display: block;
}
.cs-featured-heading {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
  margin: 10px 0 18px;
}
.cs-featured-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 24px; }
.cs-featured-section { margin-bottom: 20px; }
.cs-featured-section h4 {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.cs-featured-section p {
  font-size: .93rem;
  line-height: 1.80;
  color: var(--text-mid);
}
.cs-disclaimer-inline {
  font-size: .76rem;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 24px;
  padding-left: 12px;
  border-left: 2px solid rgba(196,154,82,.35);
}
.cs-featured-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ── GRID SECTION ─────────────────────────────────────────── */
.cs-grid-section { background: var(--white); }
.cs-grid-section--ivory { background: var(--ivory); }

/* Filter bar */
.cs-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 44px;
}
.cs-filter-btn {
  padding: 8px 18px;
  border-radius: 4px;
  border: 1px solid rgba(16,43,80,.16);
  background: var(--white);
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-mid);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.cs-filter-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: rgba(16,43,80,.04);
}
.cs-filter-btn--active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.cs-filter-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Cards grid */
.cs-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* Card */
.cs-card {
  background: var(--white);
  border: 1px solid rgba(16,43,80,.09);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.cs-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: rgba(196,154,82,.35);
}
.cs-card[hidden] { display: none !important; }

.cs-card-img-link { display: block; overflow: hidden; }
.cs-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.cs-card:hover .cs-card-img { transform: scale(1.04); }

.cs-card-body {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.cs-card-title {
  font-size: .97rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 12px;
  transition: color var(--transition);
}
.cs-card:hover .cs-card-title { color: var(--navy-light); }

.cs-card-summary {
  font-size: .855rem;
  color: var(--text-mid);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
}
.cs-card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  margin-top: auto;
  transition: gap var(--transition);
}
.cs-card-link svg { transition: transform var(--transition); flex-shrink: 0; }
.cs-card:hover .cs-card-link { gap: 10px; }
.cs-card:hover .cs-card-link svg { transform: translateX(4px); }
.cs-card-link:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }

/* No results */
.cs-no-results {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
}
.cs-no-results[hidden],
.cs-no-results.is-hidden {
  display: none !important;
}
.cs-no-results p { font-size: .95rem; }

/* ── APPROACH ─────────────────────────────────────────────── */
.cs-approach { background: var(--navy-dark); }
.cs-approach .section-eyebrow { color: rgba(196,154,82,.9); }
.cs-approach .section-heading { color: var(--white); }
.cs-approach .section-subtext { color: rgba(255,255,255,.62); }

.cs-approach-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 8px;
}
.cs-approach-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}
.cs-step-num {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 16px;
}
.cs-step-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid rgba(196,154,82,.30);
  background: rgba(196,154,82,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  margin-bottom: 20px;
  transition: background var(--transition), border-color var(--transition);
}
.cs-approach-step:hover .cs-step-icon {
  background: rgba(196,154,82,.18);
  border-color: var(--gold);
}
.cs-step-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.cs-step-text {
  font-size: .855rem;
  color: rgba(255,255,255,.60);
  line-height: 1.75;
}
.cs-step-connector {
  flex-shrink: 0;
  width: 48px;
  height: 1px;
  background: linear-gradient(to right, rgba(196,154,82,.25), rgba(196,154,82,.10));
  margin-top: 68px;
  align-self: flex-start;
}

/* ── DISCLAIMER BAR ───────────────────────────────────────── */
.cs-disclaimer-bar {
  background: var(--ivory);
  border-top: 1px solid rgba(16,43,80,.08);
  border-bottom: 1px solid rgba(16,43,80,.08);
  padding: 18px 0;
}
.cs-disclaimer-inner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-light);
}
.cs-disclaimer-inner svg { flex-shrink: 0; margin-top: 2px; color: var(--gold); }
.cs-disclaimer-inner p { font-size: .815rem; line-height: 1.70; }
.cs-disclaimer-inner strong { color: var(--text-dark); }

/* ── CLOSING CTA — Split panel (navy left + photo right) ─── */
.cs-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  align-items: stretch;
  min-height: 480px;
  background: var(--navy);
  overflow: hidden;
  position: relative;
}

/* Left panel */
.cs-cta-panel {
  background: var(--navy);
  padding: 80px 64px 80px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  height: 100%;
  align-self: stretch;
}

.cs-cta-panel.cs-reveal {
  transform: none !important;
}

/* Subtle radial glow on left panel */
.cs-cta-panel::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,70,142,.35) 0%, transparent 70%);
  pointer-events: none;
}

.cs-cta-heading {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  margin: 12px 0 16px;
  line-height: 1.2;
}
.cs-cta-sub {
  font-size: 1.02rem;
  color: rgba(255,255,255,.70);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 420px;
}
.cs-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Right photo panel */
.cs-cta-photo {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  align-self: stretch;
}
.cs-cta-photo-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  filter: brightness(.85) saturate(.80);
  transition: transform .5s ease;
}
.cs-cta-photo:hover .cs-cta-photo-img {
  transform: scale(1.03);
}
.cs-cta-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(16,43,80,.50) 0%,
    rgba(16,43,80,.10) 50%,
    transparent 100%
  );
  pointer-events: none;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cs-featured-grid { grid-template-columns: 1fr; gap: 40px; }
  .cs-featured-img { height: 360px; }
  .cs-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-approach-row { flex-wrap: wrap; gap: 32px; }
  .cs-approach-step { flex: 0 0 calc(50% - 16px); }
  .cs-step-connector { display: none; }
  .cs-cta { grid-template-columns: 1fr 1fr; }
  .cs-cta-panel { padding: 64px 40px 64px 40px; }
}
@media (max-width: 768px) {
  .cs-hero { padding: calc(var(--header-height) + 48px) 0 60px; }
  .cs-cards-grid { grid-template-columns: 1fr; }
  /* Stack CTA: navy panel top, deco panel below */
  .cs-cta { grid-template-columns: 1fr; }
  .cs-cta-panel { padding: 64px 32px; align-items: center; text-align: center; }
  .cs-cta-panel::before { display: none; }
  .cs-cta-sub { max-width: 100%; }
  .cs-cta-actions { justify-content: center; }
  .cs-cta-photo { min-height: 260px; }
  .cs-cta-deco-tagline p { white-space: normal; }
}
@media (max-width: 480px) {
  .cs-hero-heading { font-size: 2rem; }
  .cs-filters { gap: 6px; }
  .cs-filter-btn { padding: 7px 13px; font-size: .76rem; }
  .cs-approach-step { flex: 0 0 100%; }
  .cs-cta-panel { padding: 56px 24px; }
  .cs-cta-actions { flex-direction: column; align-items: stretch; }
  .cs-cta-actions .btn { width: 100%; justify-content: center; }
  .cs-cta-deco-inner { padding: 36px 24px; gap: 20px; }
  .cs-cta-deco-scales { width: 80px; height: 93px; }
}