/* ─────────────────────────────────────────────────────
   Kaliber Asia — Shared Case Study Page Styles
   Applies to: case-worldfirst.html, case-trendmicro.html,
   case-zenyum.html
───────────────────────────────────────────────────── */

/* ── HERO ── */
.cs-hero {
  position: relative;
  padding: 4rem 2.5rem 3rem;
  overflow: hidden;
}
.cs-hero-blobs {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
}
.cs-hero-blobs .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.22;
}
.cs-hero-blobs .blob-gold { width: 320px; height: 320px; background: var(--gold); top: -60px; right: 20%; }
.cs-hero-blobs .blob-pink { width: 240px; height: 240px; background: var(--pink); top: 30px; right: -40px; }

.cs-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: center;
}

.cs-breadcrumb {
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.cs-breadcrumb a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.cs-breadcrumb a:hover { color: var(--text); }
.cs-breadcrumb span { color: var(--dim); }

.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.cs-tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.32rem 0.75rem;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.cs-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.1rem;
}
.cs-hero h1 .kw {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #FF84B0;
  padding-right: 0.08em; /* italic overhang fix */
}
.cs-hero-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 580px;
  margin-bottom: 2rem;
}

.cs-hero-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.cs-meta-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.cs-meta-val {
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

.cs-hero-right {
  position: relative;
}
.cs-hero-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, #FFC85E, #FF84B0);
  box-shadow: 0 12px 40px rgba(28,28,26,0.15);
}
.cs-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* ── HEADLINE METRICS ── */
.cs-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--text);
  color: #fff;
  padding: 3rem 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.cs-metric {
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.1);
  padding: 0 1.5rem;
}
.cs-metric:last-child { border-right: none; }
.cs-num {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.2rem;
  line-height: 1;
}
.cs-num-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── CONTENT SECTIONS ── */
.cs-section {
  padding: 3.5rem 2.5rem;
}
.cs-section.alt {
  background: var(--surface);
}
.cs-eyebrow {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--pink);
  font-weight: 800;
  margin-bottom: 0.6rem;
}
.cs-h2 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.5rem;
  max-width: 780px;
}
.cs-h2 .kw {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #FF84B0;
  padding-right: 0.08em; /* italic overhang fix */
}
.cs-body {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1rem;
  max-width: 720px;
}
.cs-body p { margin-bottom: 1rem; }

.cs-body-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.cs-callout {
  background: linear-gradient(135deg, rgba(255,200,94,0.08), rgba(255,132,176,0.08));
  border-left: 3px solid var(--pink);
  padding: 1.5rem 1.75rem;
  border-radius: 10px;
}
.cs-callout-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pink);
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.cs-callout-text {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.5;
  font-style: italic;
}

/* ── LAYERS (approach steps) ── */
.cs-layers {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
}
.cs-layer {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}
.cs-layer:hover { box-shadow: 0 4px 16px rgba(28,28,26,0.04); }
.cs-layer-num {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.cs-layer-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}
.cs-layer p {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── RESULTS GRID ── */
.cs-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.cs-result-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}
.cs-result-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.cs-result-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
}
.cs-result-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── QUOTE SECTION ── */
.cs-quote-section {
  background: var(--text);
  color: #fff;
  padding: 4rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cs-quote-blobs {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
}
.cs-quote-blobs .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  width: 360px;
  height: 360px;
  background: var(--pink);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.cs-quote-mark {
  font-size: 5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 0.5;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.cs-quote-text {
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.015em;
  max-width: 800px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
}
.cs-quote-author {
  position: relative;
  z-index: 1;
}
.cs-quote-name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.cs-quote-role {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
}

/* ── SERVICES PILLS ── */
.cs-services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.cs-service-pill {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--border);
  padding: 0.7rem 1.2rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
}
.cs-service-pill:not(.static):hover {
  background: linear-gradient(135deg, var(--gold), var(--pink));
  border-color: transparent;
  transform: translateY(-2px);
}
.cs-service-pill.static {
  background: var(--surface);
  color: var(--muted);
  cursor: default;
}

/* ── RELATED CASES ── */
.cs-related {
  padding: 3.5rem 2.5rem;
  background: var(--surface);
}
.cs-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 1024px) { .cs-related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cs-related-grid { grid-template-columns: 1fr; } }
.cs-related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s;
  display: block;
}
.cs-related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(28,28,26,0.08);
}
.cs-related-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  margin-bottom: 0.9rem;
  display: block;
  background: var(--surface);
}
.cs-related-tag {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
  font-weight: 700;
  margin-bottom: 0.7rem;
}
.cs-related-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.cs-related-metric {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cs-related-cta {
  font-size: 0.78rem;
  color: var(--text);
  font-weight: 700;
}


/* ── Wide-screen content max-width ── */
.cs-results-grid,
.cs-services-grid,
.cs-layers,
.cs-body-grid,
.cs-related-grid {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Tablet breakpoint: graceful 2-col before stacking ── */
@media (max-width: 1024px) {
  .cs-results-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-results-grid > .cs-result-card:nth-child(3) { grid-column: 1 / -1; max-width: calc(50% - 0.5rem); margin: 0 auto; }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .cs-hero { padding: 3rem 1.5rem 2rem; }
  .cs-hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cs-hero h1 { font-size: 1.8rem; }
  .cs-hero-meta { gap: 1.5rem; padding-top: 1rem; }
  .cs-metrics { grid-template-columns: 1fr; padding: 2rem 1.5rem; gap: 1.5rem; }
  .cs-metric { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 1.5rem; }
  .cs-metric:last-child { border-bottom: none; padding-bottom: 0; }
  .cs-num { font-size: 2.6rem; }
  .cs-section { padding: 3rem 1.5rem; }
  .cs-h2 { font-size: 1.4rem; }
  .cs-body-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .cs-results-grid { grid-template-columns: 1fr; }
  .cs-related { padding: 3rem 1.5rem; }
  .cs-related-grid { grid-template-columns: 1fr; }
  .cs-quote-section { padding: 3.5rem 1.5rem; }
  .cs-quote-text { font-size: 1.2rem; }
  .cs-layer { grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.25rem; }
}

@media (max-width: 480px) {
  .cs-hero h1 { font-size: 1.5rem; }
  .cs-tags { gap: 0.3rem; }
  .cs-tag { font-size: 0.6rem; padding: 0.25rem 0.6rem; }
  .cs-num { font-size: 2.2rem; }
  .cs-h2 { font-size: 1.2rem; }
  .cs-quote-text { font-size: 1.05rem; }
  .cs-quote-mark { font-size: 3rem; }
}