/* Innovation-R&D — aligned with About / Knowledge page system */

.innovation-page{background:#fff}

.about-nav-btn.is-subactive{
  color:var(--zd-blue);background:rgba(0,59,142,.08);border-color:rgba(0,59,142,.18)
}

/* ===== INTRO ===== */
.inn-intro{
  padding:var(--sec-pad) 0;background:#fff;
  scroll-margin-top:calc(var(--header-h) + 64px)
}
.inn-intro-inner{
  max-width:var(--max);margin:0 auto;padding:0 var(--page-gutter);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:stretch
}
.inn-intro-visual{
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:0 12px 40px rgba(8,24,48,.08);min-height:320px;position:relative
}
.inn-intro-media{position:absolute;inset:0;overflow:hidden}
.inn-intro-media img{width:100%;height:100%;object-fit:cover;display:block}
.inn-intro-text{
  display:flex;flex-direction:column;justify-content:center;gap:0;min-width:0
}
.inn-intro-text .sec-desc{margin-bottom:16px;max-width:none}
.inn-intro-copy{
  font-size:15px;line-height:1.75;color:var(--zd-body);margin:0 0 20px
}
.inn-intro-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.inn-intro-pills span{
  padding:8px 14px;border-radius:var(--radius-sm);font-size:11px;font-weight:600;
  color:var(--zd-body);background:rgba(0,59,142,.06);border:1px solid rgba(0,59,142,.08)
}

/* ===== SECTION HEAD ===== */
.inn-section-head{margin-bottom:36px;max-width:760px}
.inn-section-head .sec-desc{max-width:none;margin-bottom:0}

/* ===== STATS ===== */
.inn-stats{
  padding:var(--sec-pad) 0;background:var(--zd-gray);
  scroll-margin-top:calc(var(--header-h) + 64px)
}
.inn-stats-inner{max-width:var(--max);margin:0 auto;padding:0 var(--page-gutter)}
.inn-stat-grid.about-stat-grid--4{
  grid-template-columns:repeat(3,minmax(0,1fr))
}
.inn-stat-grid .about-stat-card{
  opacity:1;transform:none;background:#fff
}
.inn-stat-grid.is-visible .about-stat-card{opacity:1;transform:none}
.inn-stat-grid .about-stat-num sup{font-size:.45em;font-weight:700;vertical-align:super;line-height:0}

/* ===== UNIVERSITY PARTNERS ===== */
.inn-partners{
  padding:var(--sec-pad) 0;background:#fff;
  scroll-margin-top:calc(var(--header-h) + 64px)
}
.inn-partners-inner{max-width:var(--max);margin:0 auto;padding:0 var(--page-gutter)}
.inn-partner-logos{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  list-style:none;margin:0;padding:28px 0 0;border-top:1px solid var(--zd-border)
}
.inn-partner-logos li{
  display:flex;align-items:center;justify-content:center;
  min-height:112px;padding:20px 16px;
  background:var(--zd-gray);border:1px solid var(--zd-border);border-radius:var(--radius-md);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
}
.inn-partner-logos li:hover{
  transform:translateY(-2px);border-color:rgba(0,59,142,.15);
  box-shadow:0 8px 24px rgba(8,24,48,.06)
}
.inn-partner-logos img{display:block;width:72px;height:72px;object-fit:contain}

/* ===== DIGITAL ===== */
.inn-digital{
  padding:var(--sec-pad) 0;background:var(--zd-gray);
  scroll-margin-top:calc(var(--header-h) + 64px)
}
.inn-digital-inner{max-width:var(--max);margin:0 auto;padding:0 var(--page-gutter)}
.inn-digital-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px
}
.inn-digital-card{
  padding:28px 24px;background:#fff;border:1px solid var(--zd-border);
  border-radius:var(--radius-md);transition:transform .25s ease,box-shadow .25s ease
}
.inn-digital-card:hover{
  transform:translateY(-2px);box-shadow:0 10px 28px rgba(8,24,48,.06)
}
.inn-digital-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:rgba(0,59,142,.08);color:var(--zd-blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px
}
.inn-digital-icon svg{width:22px;height:22px}
.inn-digital-card h3{
  font-size:17px;font-weight:700;line-height:1.35;color:var(--zd-dark);margin-bottom:10px
}
.inn-digital-card p{font-size:14px;line-height:1.75;color:var(--zd-body);margin:0}

/* ===== PRODUCT CASES ===== */
.inn-cases{
  scroll-margin-top:calc(var(--header-h) + 64px)
}
.inn-case{
  padding:var(--sec-pad) 0;background:#fff
}
.inn-case--reverse{
  background:var(--zd-gray)
}
.inn-case-inner{
  max-width:var(--max);margin:0 auto;padding:0 var(--page-gutter);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.92fr);gap:48px;align-items:center
}
.inn-case--reverse .inn-case-inner{direction:rtl}
.inn-case--reverse .inn-case-inner > *{direction:ltr}
.inn-case-copy{min-width:0}
.inn-case-copy .sec-desc{margin-bottom:0}
.inn-case-body{
  font-size:15px;line-height:1.85;color:var(--zd-body);margin:0;max-width:560px
}
.inn-case-visual{
  border-radius:var(--radius-md);overflow:hidden;
  background:var(--zd-gray);border:1px solid var(--zd-border);
  box-shadow:0 12px 40px rgba(8,24,48,.08);aspect-ratio:1/1
}
.inn-case-visual img{
  width:100%;height:100%;object-fit:cover;object-position:center;display:block
}

/* ===== BACK LINK ===== */
.inn-back{
  max-width:var(--max);margin:0 auto;padding:32px var(--page-gutter) var(--sec-pad)
}
.inn-back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--zd-blue);transition:color .2s
}
.inn-back-link:hover{color:var(--zd-navy)}
.inn-back-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}

@media(max-width:1024px){
  .inn-intro-inner,.inn-case-inner{grid-template-columns:1fr;gap:32px}
  .inn-case--reverse .inn-case-inner{direction:ltr}
  .inn-case-visual{max-width:480px;margin:0 auto;width:100%}
  .inn-intro-visual{min-height:280px;order:-1}
  .inn-stat-grid.about-stat-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .inn-partner-logos{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media(max-width:768px){
  .inn-digital-grid{grid-template-columns:1fr}
  .inn-partner-logos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .inn-stat-grid.about-stat-grid--4{grid-template-columns:1fr}
}

@media(max-width:480px){
  .inn-partner-logos{grid-template-columns:1fr}
  .inn-partner-logos img{width:64px;height:64px}
}