/* pages.css — shared components for Nrdyn division & product pages
   Builds on styles.css (variables, nav, hero, buttons, faq, compare, reveal). */

/* ─── Breadcrumb (inner pages) ─── */
.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px var(--pad) 0;
  position: relative;
  z-index: 2;
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.breadcrumb a { color: var(--fg-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--fg); }
.breadcrumb li::after { content: "/"; margin-left: 8px; color: var(--fg-dim); opacity: 0.5; }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb li[aria-current] { color: var(--accent); }

/* ─── Nav dropdown (Divisions) ─── */
.nav-links li.has-menu { position: relative; }
.nav-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 280px;
  padding: 8px;
  border-radius: 16px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 86%, transparent);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: 0 18px 50px rgba(0,0,0,0.28);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms;
  display: flex;
  flex-direction: column;
  gap: 2px;
  list-style: none;
}
.nav-links li.has-menu:hover .nav-menu,
.nav-links li.has-menu:focus-within .nav-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-menu a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--fg);
  transition: background 160ms ease;
}
.nav-menu a:hover { background: color-mix(in oklab, var(--fg) 7%, transparent); color: var(--fg); }
.nav-menu a strong { font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }
.nav-menu a span { font-size: 12px; color: var(--fg-muted); letter-spacing: -0.005em; }

/* ─── Division cards (homepage hub) ─── */
.divisions {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 140px;
}
.div-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.division-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 40px;
  min-height: 320px;
  border-radius: 22px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 85%, transparent);
  backdrop-filter: blur(20px);
  text-decoration: none;
  color: var(--fg);
  overflow: hidden;
  transition: transform 400ms cubic-bezier(0.2,0.7,0.2,1), border-color 400ms ease;
}
.division-card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--fg) 20%, transparent); }
.division-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  padding: 1px;
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 60%, transparent), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
}
.division-card:hover::after { opacity: 1; }
.division-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.division-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 16px 0 12px;
  max-width: 16ch;
}
.division-card p { color: var(--fg-muted); font-size: 15px; line-height: 1.55; max-width: 46ch; }
.division-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.division-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  padding: 4px 10px;
  border-radius: 999px;
  border: 0.5px solid var(--line);
}
.division-go {
  margin-top: auto;
  padding-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}
.division-go .arrow { transition: transform 200ms ease; }
.division-card:hover .division-go .arrow { transform: translateX(4px); }

/* ─── Service rows (Custom AI, Marketing) ─── */
.svc-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 140px;
}
.svc-list { display: flex; flex-direction: column; gap: 16px; margin-top: 56px; }
.svc-row {
  display: grid;
  grid-template-columns: 64px 1.1fr 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px;
  border-radius: 22px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 82%, transparent);
  backdrop-filter: blur(20px);
  transition: border-color 400ms ease, transform 400ms cubic-bezier(0.2,0.7,0.2,1);
}
.svc-row:hover { border-color: color-mix(in oklab, var(--fg) 16%, transparent); transform: translateY(-2px); }
.svc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 6px;
}
.svc-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 12px;
}
.svc-lead {
  color: var(--fg);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}
.svc-body { color: var(--fg-muted); font-size: 14px; line-height: 1.6; }
.svc-body ul { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.svc-body ul li { position: relative; padding-left: 18px; }
.svc-body ul li::before { content: "◆"; position: absolute; left: 0; top: 3px; font-size: 8px; color: var(--accent); }

/* ─── Course cards (Training) ─── */
.course-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 140px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.course-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 34px;
  border-radius: 22px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 84%, transparent);
  backdrop-filter: blur(20px);
  transition: border-color 400ms ease, transform 400ms cubic-bezier(0.2,0.7,0.2,1);
}
.course-card:hover { border-color: color-mix(in oklab, var(--fg) 16%, transparent); transform: translateY(-2px); }
.course-card.is-featured {
  grid-column: 1 / -1;
  background:
    radial-gradient(ellipse 60% 100% at 88% 50%, color-mix(in oklab, var(--accent) 16%, transparent), transparent 70%),
    color-mix(in oklab, var(--bg-2) 88%, transparent);
  border-color: color-mix(in oklab, var(--accent) 28%, var(--line));
}
.course-badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 11px;
  border-radius: 999px;
  border: 0.5px solid color-mix(in oklab, var(--accent) 40%, var(--line));
}
.course-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1.06;
}
.course-summary { color: var(--fg); font-size: 15px; line-height: 1.5; }
.course-meta {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 16px;
  border-top: 0.5px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.course-meta b { color: var(--fg); font-weight: 500; }

/* ─── Feature rows (Aldyn) ─── */
.feature-list {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 140px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px;
  border-radius: 24px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 84%, transparent);
  backdrop-filter: blur(20px);
}
.feature-card:nth-child(even) .feature-vis { order: -1; }
.feature-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 2.8vw, 36px);
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: 16px;
  max-width: 18ch;
}
.feature-lead { color: var(--fg); font-size: 17px; line-height: 1.5; margin-bottom: 16px; }
.feature-card p.feature-body { color: var(--fg-muted); font-size: 15px; line-height: 1.6; max-width: 52ch; }
.feature-vis {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  border: 0.5px solid var(--line);
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--accent) 22%, transparent), transparent 60%),
    color-mix(in oklab, var(--bg) 60%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.feature-vis svg { width: 70%; height: 70%; }

/* ─── Stat band ─── */
.stat-band {
  max-width: var(--max);
  margin: 0 auto 140px;
  padding: 56px var(--pad);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-radius: 24px;
  border: 0.5px solid var(--line);
  background: color-mix(in oklab, var(--bg-2) 70%, transparent);
  backdrop-filter: blur(20px);
}
.stat-band .stat { display: flex; flex-direction: column; gap: 6px; text-align: center; }
.stat-band .stat-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-band .stat-lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ─── Page hero (inner) ─── */
.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px var(--pad) 80px;
  position: relative;
  z-index: 2;
}
.page-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-hero .eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--accent); }
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 18ch;
  margin-bottom: 28px;
}
.page-hero h1 .accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-hero .lede {
  font-size: clamp(17px, 1.5vw, 22px);
  color: var(--fg-muted);
  max-width: 60ch;
  line-height: 1.5;
  margin-bottom: 36px;
}
.page-hero .hero-ctas { justify-content: flex-start; }

/* Footer with internal links */
.site-footer {
  border-top: 0.5px solid var(--line);
  padding: 72px var(--pad) 40px;
  position: relative;
  z-index: 2;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
}
.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: conic-gradient(from 140deg, var(--accent), var(--accent-2), var(--accent));
  position: relative; margin-bottom: 16px;
}
.footer-brand .mark::after { content: ""; position: absolute; inset: 6px; border-radius: 5px; background: var(--bg); }
.footer-brand p {
  font-family: "Spectral", Georgia, "Times New Roman", serif;
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  max-width: 40ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--fg-muted); text-decoration: none; font-size: 14px; transition: color 160ms ease; }
.footer-col a:hover { color: var(--fg); }
.footer-base {
  max-width: var(--max);
  margin: 56px auto 0;
  padding-top: 24px;
  border-top: 0.5px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: "Spectral", Georgia, "Times New Roman", serif;
  font-size: 14px;
  color: var(--fg-dim);
  letter-spacing: 0;
}
.footer-base span:last-child { font-style: italic; }

@media (max-width: 860px) {
  .div-grid { grid-template-columns: 1fr; }
  .svc-row { grid-template-columns: 1fr; gap: 16px; }
  .course-grid { grid-template-columns: 1fr; }
  .feature-card { grid-template-columns: 1fr; gap: 24px; padding: 32px; }
  .feature-card:nth-child(even) .feature-vis { order: 0; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}