/* ═══════════════════════════════════════════════════════
   PEXOVIA — CASE STUDY PAGE STYLES
   Shared across all case study detail pages.
   ═══════════════════════════════════════════════════════ */

.cs-hero {
  padding: 6rem var(--pad) 5rem;
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,.07);
  position: relative;
  overflow: hidden;
}
.cs-hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,174,75,.1) 0%, transparent 65%);
  pointer-events: none;
}
.cs-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative; z-index: 2;
}
.cs-back {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .65rem; text-transform: uppercase;
  letter-spacing: .2em; color: rgba(255,255,255,.35);
  font-weight: 700; margin-bottom: 3rem;
  transition: color .2s;
}
.cs-back:hover { color: var(--amber); }
.cs-tags { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1.8rem; }
.cs-tag {
  font-size: .58rem; text-transform: uppercase;
  letter-spacing: .14em; font-weight: 800;
  padding: .24rem .65rem;
}
.cs-tag-dark { background: rgba(255,174,75,.15); color: var(--amber); }
.cs-hero-title {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  color: var(--white); line-height: .93;
  letter-spacing: -.035em; margin-bottom: 1.5rem;
}
.cs-hero-title em { font-style: italic; color: var(--amber); }
.cs-hero-sub {
  font-size: .9rem; color: rgba(255,255,255,.45);
  line-height: 1.8; max-width: 520px; margin-bottom: 3.5rem;
}
.cs-kpi-row {
  display: flex; gap: 1px;
  background: rgba(255,255,255,.07);
  flex-wrap: wrap;
}
.cs-kpi {
  background: rgba(255,255,255,.03);
  padding: 1.8rem 2.4rem;
  flex: 1; min-width: 140px;
  transition: background .3s;
}
.cs-kpi:hover { background: rgba(255,174,75,.08); }
.cs-kpi-num {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--amber); letter-spacing: -.04em;
  display: block; margin-bottom: .25rem;
}
.cs-kpi-lbl {
  font-size: .6rem; text-transform: uppercase;
  letter-spacing: .2em; color: rgba(255,255,255,.35); font-weight: 700;
}

/* BODY */
.cs-body { max-width: var(--max); margin: 0 auto; }
.cs-layout {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 5rem; padding: var(--section-pad) var(--pad);
  align-items: start;
}
.cs-main h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: -.025em; color: var(--ink);
  margin: 2.5rem 0 .8rem; line-height: 1.1;
}
.cs-main h2:first-child { margin-top: 0; }
.cs-main p {
  font-size: .9rem; color: var(--gray);
  line-height: 1.88; margin-bottom: 1.1rem;
}
.cs-main p strong { color: var(--ink); font-weight: 700; }
.cs-main ul {
  padding-left: 1.4rem; margin-bottom: 1.4rem;
}
.cs-main li {
  font-size: .88rem; color: var(--gray);
  line-height: 1.8; margin-bottom: .4rem;
  list-style: disc;
}
.cs-main blockquote {
  border-left: 3px solid var(--amber);
  padding: 1.2rem 1.6rem;
  background: var(--off);
  margin: 2rem 0;
}
.cs-main blockquote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem; color: var(--ink);
  line-height: 1.7; margin: 0;
}
.cs-main blockquote footer {
  font-size: .72rem; color: var(--gray2);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: .14em; margin-top: .7rem;
  background: none; padding: 0; border: none;
}

/* SIDEBAR */
.cs-sidebar { position: sticky; top: 5.5rem; }
.cs-sidebar-box {
  border: 1px solid var(--border);
  padding: 2rem;
  margin-bottom: 1.2rem;
  background: var(--white);
}
.cs-sidebar-box h4 {
  font-size: .6rem; text-transform: uppercase;
  letter-spacing: .22em; color: var(--gray2);
  font-weight: 700; margin-bottom: 1.2rem;
}
.cs-sidebar-row {
  display: flex; justify-content: space-between;
  align-items: flex-start; padding: .7rem 0;
  border-bottom: 1px solid var(--border);
  gap: .8rem;
}
.cs-sidebar-row:last-child { border-bottom: none; }
.cs-sidebar-key {
  font-size: .7rem; color: var(--gray2); font-weight: 600;
  flex-shrink: 0;
}
.cs-sidebar-val {
  font-size: .78rem; color: var(--ink); font-weight: 700;
  text-align: right; line-height: 1.4;
}
.cs-cta-box {
  background: var(--ink); padding: 2rem;
  margin-top: 1.2rem;
}
.cs-cta-box p {
  font-size: .8rem; color: rgba(255,255,255,.5);
  line-height: 1.7; margin-bottom: 1.4rem;
}
.cs-cta-box a {
  display: block; text-align: center;
  background: var(--amber); color: var(--ink);
  font-size: .68rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: .14em;
  padding: .85rem 1.2rem;
  transition: background .25s;
}
.cs-cta-box a:hover { background: var(--amber2); color: var(--white); }

/* RESULT BAND */
.cs-result-band {
  background: var(--amber4);
  border-top: 1px solid rgba(255,174,75,.3);
  border-bottom: 1px solid rgba(255,174,75,.3);
  padding: 3.5rem var(--pad);
}
.cs-result-inner {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.cs-result-quote {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  color: var(--ink); line-height: 1.45;
  letter-spacing: -.02em;
}
.cs-result-quote em { color: var(--amber2); }
.cs-result-attr { font-size: .72rem; font-weight: 700; color: var(--gray2); margin-top: .9rem; text-transform: uppercase; letter-spacing: .14em; }
.cs-result-nums { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.cs-result-num-block .num { font-family: var(--serif); font-style: italic; font-size: 2.8rem; color: var(--amber2); letter-spacing: -.04em; display: block; }
.cs-result-num-block .lbl { font-size: .62rem; text-transform: uppercase; letter-spacing: .18em; color: var(--gray); font-weight: 700; }

/* NEXT STUDIES */
.cs-next { padding: var(--section-pad) var(--pad); background: var(--off); border-top: 1px solid var(--border); }
.cs-next h3 { font-family: var(--serif); font-size: clamp(1.4rem,2.4vw,2rem); letter-spacing:-.025em; color:var(--ink); margin-bottom:2.5rem; }
.cs-next h3 em { font-style:italic; color:var(--amber2); }
.cs-next-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); }
.cs-next-card {
  background: var(--white); padding: 2.2rem;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 1rem;
  transition: background .3s;
}
.cs-next-card:hover { background: var(--amber4); }
.cs-next-num { font-size: .6rem; text-transform: uppercase; letter-spacing: .24em; color: var(--gray2); font-weight: 800; }
.cs-next-title { font-size: .95rem; font-weight: 800; color: var(--ink); line-height: 1.25; letter-spacing: -.01em; }
.cs-next-result { font-size: .78rem; color: var(--gray); }
.cs-next-result strong { color: var(--amber2); font-weight: 800; }
.cs-next-arrow { font-size: .63rem; text-transform: uppercase; letter-spacing: .16em; color: var(--gray2); font-weight: 700; margin-top: auto; }
.cs-next-card:hover .cs-next-arrow { color: var(--ink); }

@media (max-width: 960px) {
  .cs-layout { grid-template-columns: 1fr; gap: 3rem; }
  .cs-sidebar { position: static; }
  .cs-result-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .cs-next-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cs-kpi-row { flex-direction: column; }
}