/* =========================================================
   FEMAR — Shared Pages CSS
   All inner pages import this after femar.css + femar-v2.css
   ========================================================= */

/* ─── Header scrolled state (for inner pages) ─────────────── */
#site-header.scrolled {
  background: rgba(13,27,42,0.98);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
#site-header .nav-links a { color: rgba(255,255,255,0.65); }
#site-header .nav-links a:hover,
#site-header .nav-links a.active { color: #fff; }
#site-header .nav-logo-wordmark { color: #fff; }
#site-header .nav-logo-sub { color: rgba(255,255,255,0.4); }

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
}
.breadcrumb a { color: rgba(255,255,255,0.4); transition: color 0.15s; }
.breadcrumb a:hover { color: rgba(255,255,255,0.8); }
.breadcrumb span { color: rgba(255,255,255,0.25); }

/* ─── Page Hero ──────────────────────────────────────────── */
.page-hero {
  padding-top: 120px;
  padding-bottom: 0;
  overflow: hidden;
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  min-height: 480px;
  padding-bottom: 0;
}
.page-hero-content { padding-bottom: 72px; }
.page-hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  margin-top: 20px;
}
.page-hero-visual {
  position: relative;
  height: 420px;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
  align-self: flex-end;
}
.page-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.page-hero-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 16px 20px;
}
.phb-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.03em;
}
.phb-label {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ─── Challenges grid ────────────────────────────────────── */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.challenge-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.challenge-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 20px rgba(0,82,255,0.08);
}
.challenge-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.challenge-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--navy);
}
.challenge-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--grey);
}

/* ─── Component list items ───────────────────────────────── */
.comp-list-item {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}
.comp-list-item::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

/* ─── Specs grid ─────────────────────────────────────────── */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
}
.spec-block {
  background: rgba(255,255,255,0.04);
  padding: 32px 24px;
  text-align: center;
  transition: background 0.2s;
}
.spec-block:hover { background: rgba(0,82,255,0.12); }
.spec-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.spec-key {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
}

/* ─── Materials grid ─────────────────────────────────────── */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.material-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  transition: border-color 0.2s;
}
.material-card:hover { border-color: var(--blue); }
.mat-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.mat-app {
  font-size: 13px;
  color: var(--grey);
}

/* ─── Process steps (page) ───────────────────────────────── */
.page-process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 32px;
  margin-top: 48px;
}
.pp-step {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pp-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pp-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}
.pp-desc {
  font-size: 14px;
  color: var(--grey);
  line-height: 1.6;
}

/* ─── KnowledgeCenter cards ──────────────────────────────── */
.kc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.kc-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kc-card:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
}
.kc-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}
.kc-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
  line-height: 1.3;
}
.kc-desc {
  font-size: 14px;
  color: var(--grey);
  line-height: 1.65;
  flex: 1;
}
.kc-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── Commercial cards ───────────────────────────────────── */
.comm-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.comm-prod-card {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.comm-prod-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 20px rgba(0,82,255,0.07);
}
.cpp-icon { font-size: 28px; margin-bottom: 12px; }
.cpp-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.cpp-desc { font-size: 13px; color: var(--grey); line-height: 1.6; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .challenges-grid { grid-template-columns: repeat(2,1fr); }
  .specs-grid { grid-template-columns: repeat(3,1fr); }
  .page-hero-inner { grid-template-columns: 1fr; }
  .page-hero-visual { height: 300px; border-radius: 12px; }
}
@media (max-width: 768px) {
  .challenges-grid { grid-template-columns: 1fr; }
  .materials-grid { grid-template-columns: 1fr 1fr; }
  .specs-grid { grid-template-columns: repeat(2,1fr); }
  .kc-grid { grid-template-columns: 1fr; }
  .comm-products-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .materials-grid { grid-template-columns: 1fr; }
  .comm-products-grid { grid-template-columns: 1fr; }
}