/* ═════════════════════════════════════════════════════════════════
   Enterprise Infrastructure section — Netcom main site
   Extends css/style.css design tokens. No overrides.
   ═════════════════════════════════════════════════════════════════ */

/* ── Hero ──────────────────────────────────────────────────── */
.infra-hero {
  position: relative;
  padding: 120px 0 100px;
  background:
    radial-gradient(circle at 80% 20%, rgba(47, 195, 229, 0.15), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(168, 205, 216, 0.12), transparent 55%),
    linear-gradient(135deg, #0B1628 0%, #111827 55%, #1B2740 100%);
  color: var(--white);
  overflow: hidden;
}
.infra-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(47, 195, 229, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 195, 229, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}
.infra-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.infra-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 22px;
}
.infra-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--aqua);
}
.infra-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--white);
}
.infra-hero h1 em {
  font-style: italic;
  color: var(--aqua-light);
  font-weight: 500;
}
.infra-hero__sub {
  font-size: 18px;
  line-height: 1.6;
  color: #CFD8DC;
  max-width: 560px;
  margin: 0 0 32px;
}
.infra-hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.infra-hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(47, 195, 229, 0.18);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-xl);
}
.infra-hero__visual svg {
  width: 100%;
  height: 100%;
  display: block;
}
.infra-hero__pager {
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}
@media (max-width: 960px) {
  .infra-hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .infra-hero { padding: 80px 0 60px; }
}

/* ── Breadcrumb (pillar pages) ─────────────────────────────── */
.infra-crumb {
  padding: 24px 0 0;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.infra-crumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}
.infra-crumb a:hover { color: var(--aqua); }
.infra-crumb__sep { margin: 0 10px; opacity: 0.5; }

/* ── Framework diagram section ─────────────────────────────── */
.infra-framework {
  padding: 100px 0;
  background: var(--soft-gray);
}
.infra-framework__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.infra-framework__copy h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
  color: var(--slate);
}
.infra-framework__copy p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--steel);
  margin: 0 0 16px;
}
.infra-framework__visual {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.infra-framework__visual svg {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 900px) {
  .infra-framework__grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ── Solution pillar grid ──────────────────────────────────── */
.infra-pillar-section {
  padding: 120px 0;
}
.infra-pillar-section__head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.infra-pillar-section__head h2 {
  font-family: var(--font-heading);
  font-size: 46px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--slate);
  margin: 0 0 16px;
}
.infra-pillar-section__head p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--steel);
  margin: 0;
}
.infra-pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.infra-pillar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.infra-pillar-card:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 195, 229, 0.4);
  box-shadow: 0 12px 28px rgba(47, 195, 229, 0.1), var(--shadow-md);
}
.infra-pillar-card__num {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--aqua);
  margin-bottom: 14px;
}
.infra-pillar-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--aqua-soft);
  border-radius: 10px;
  margin-bottom: 18px;
  color: var(--aqua-hover);
}
.infra-pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--slate);
  margin: 0 0 10px;
}
.infra-pillar-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--steel);
  margin: 0 0 18px;
  flex: 1;
}
.infra-pillar-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.infra-pillar-card__tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--steel-dark);
  background: #F1F5F9;
  padding: 4px 10px;
  border-radius: 100px;
}
.infra-pillar-card__link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--aqua-hover);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.infra-pillar-card__link::after {
  content: "→";
  transition: transform 0.2s;
}
.infra-pillar-card:hover .infra-pillar-card__link::after {
  transform: translateX(4px);
}

/* ── Vendor / OEM grid ─────────────────────────────────────── */
.infra-vendor-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--soft-gray) 100%);
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}
.infra-vendor-section__head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}
.infra-vendor-section__head h2 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--slate);
  margin: 0 0 14px;
}
.infra-vendor-section__head p {
  font-size: 16px;
  color: var(--steel);
  line-height: 1.6;
  margin: 0;
}
.infra-vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.infra-vendor-card {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.infra-vendor-card:hover {
  border-color: rgba(47, 195, 229, 0.35);
  box-shadow: var(--shadow-sm);
}
.infra-vendor-card__logo {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--slate);
  letter-spacing: -0.01em;
}
.infra-vendor-card__body { flex: 1; min-width: 0; }
.infra-vendor-card__name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--slate);
  margin: 0 0 3px;
}
.infra-vendor-card__meta {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--aqua-hover);
}
.infra-vendor-card__meta--muted { color: var(--steel-light); }
.infra-trust-row {
  text-align: center;
  margin-top: 40px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--steel);
  font-style: italic;
}

/* ── Process timeline ──────────────────────────────────────── */
.infra-process {
  padding: 110px 0;
}
.infra-process__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.infra-process__head h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 600;
  color: var(--slate);
  margin: 0 0 14px;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.infra-process__head p {
  font-size: 17px;
  color: var(--steel);
  line-height: 1.6;
  margin: 0;
}
.infra-process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.infra-process-timeline::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--aqua) 0%, var(--aqua) 100%);
  opacity: 0.35;
  z-index: 0;
}
.infra-stage {
  position: relative;
  padding: 0 16px;
  text-align: center;
  z-index: 1;
}
.infra-stage__num {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--aqua);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--aqua-hover);
  box-shadow: 0 4px 14px rgba(47, 195, 229, 0.2);
}
.infra-stage h4 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--slate);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.infra-stage__time {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--aqua-hover);
  margin-bottom: 10px;
}
.infra-stage p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--steel);
  margin: 0;
}
@media (max-width: 780px) {
  .infra-process-timeline { grid-template-columns: 1fr; gap: 36px; }
  .infra-process-timeline::before { display: none; }
}

/* ── Verticals grid ────────────────────────────────────────── */
.infra-verticals {
  padding: 100px 0;
  background: var(--soft-gray);
}
.infra-verticals__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.infra-verticals__head h2 {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 600;
  color: var(--slate);
  margin: 0 0 14px;
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.infra-verticals__head p {
  font-size: 17px;
  color: var(--steel);
  line-height: 1.6;
  margin: 0;
}
.infra-vertical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.infra-vertical-card {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 22px 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.infra-vertical-card:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 195, 229, 0.4);
  box-shadow: var(--shadow-sm);
}
.infra-vertical-card__icon {
  color: var(--aqua-hover);
}
.infra-vertical-card h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--slate);
  margin: 0;
  letter-spacing: -0.01em;
}
.infra-vertical-card p {
  font-size: 13px;
  color: var(--steel);
  line-height: 1.5;
  margin: 0;
}

/* ── CTA block ─────────────────────────────────────────────── */
.infra-cta-block {
  padding: 90px 0;
  background: linear-gradient(135deg, #0B1628 0%, #111827 55%, #1B2740 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.infra-cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(47, 195, 229, 0.2), transparent 55%);
  pointer-events: none;
}
.infra-cta-block__inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 32px;
}
.infra-cta-block h2 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0 0 18px;
}
.infra-cta-block p {
  font-size: 17px;
  line-height: 1.6;
  color: #CFD8DC;
  margin: 0 0 32px;
}
.infra-cta-block__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Pillar page: problem section ──────────────────────────── */
.infra-problem {
  padding: 100px 0;
}
.infra-problem__inner {
  max-width: 820px;
  margin: 0 auto;
}
.infra-problem__label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--aqua-hover);
  margin-bottom: 14px;
}
.infra-problem h2 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--slate);
  margin: 0 0 28px;
}
.infra-problem p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--steel-dark);
  margin: 0 0 20px;
}
.infra-problem p strong {
  color: var(--slate);
  font-weight: 600;
}

/* ── Reference architecture tabs ───────────────────────────── */
.infra-arch-section {
  padding: 100px 0;
  background: var(--soft-gray);
}
.infra-arch-section__head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 40px;
}
.infra-arch-section__head h2 {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--slate);
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}
.infra-arch-section__head p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--steel);
  margin: 0;
}
.infra-tabs {
  display: flex;
  justify-content: center;
  gap: 6px;
  max-width: 600px;
  margin: 0 auto 32px;
  padding: 6px;
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
}
.infra-tab {
  flex: 1;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--steel);
  background: transparent;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.infra-tab:hover {
  color: var(--slate);
  background: #F1F5F9;
}
.infra-tab.active {
  background: var(--aqua);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(47, 195, 229, 0.3);
}
.infra-arch-panel {
  display: none;
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.infra-arch-panel.active { display: block; }
.infra-arch-panel__diagram {
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  padding: 40px 36px 24px;
  border-bottom: 1px solid #E2E8F0;
}
.infra-arch-panel__diagram svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 520px;
}
.infra-arch-panel__meta {
  padding: 28px 36px;
}
.infra-arch-panel__name {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.infra-arch-panel__scope {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--aqua-hover);
  margin-bottom: 14px;
}
.infra-arch-panel__desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--steel-dark);
  margin: 0 0 28px;
  max-width: 780px;
}
.infra-bom-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 13px;
}
.infra-bom-table thead {
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}
.infra-bom-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--steel);
}
.infra-bom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #F1F5F9;
  color: var(--steel-dark);
  vertical-align: top;
}
.infra-bom-table td:first-child { font-weight: 700; color: var(--slate); width: 170px; }
.infra-bom-table td:last-child { font-family: ui-monospace, Menlo, monospace; font-size: 12px; color: var(--steel); }
.infra-bom-table tbody tr:last-child td { border-bottom: none; }

/* ── Vendor fit matrix ─────────────────────────────────────── */
.infra-matrix-section {
  padding: 100px 0;
}
.infra-matrix-section__head {
  max-width: 820px;
  margin: 0 auto 40px;
  text-align: center;
}
.infra-matrix-section__head h2 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 600;
  color: var(--slate);
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}
.infra-matrix-section__head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--steel);
  margin: 0;
}
.infra-matrix {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid #E2E8F0;
}
.infra-matrix thead {
  background: var(--slate);
}
.infra-matrix th {
  padding: 16px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--aqua-light);
}
.infra-matrix td {
  padding: 16px 20px;
  border-top: 1px solid #F1F5F9;
  color: var(--steel-dark);
  vertical-align: top;
}
.infra-matrix td:first-child {
  font-weight: 600;
  color: var(--slate);
  width: 38%;
}
.infra-matrix td:nth-child(2) { color: var(--aqua-hover); font-weight: 600; }
.infra-matrix tbody tr:hover { background: #F8FAFC; }

/* ── Services included + compat checklist ──────────────────── */
.infra-services {
  padding: 100px 0;
  background: var(--soft-gray);
}
.infra-services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.infra-services__block {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.infra-services__block h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 600;
  color: var(--slate);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.infra-services__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.infra-services__list li {
  position: relative;
  padding: 12px 0 12px 30px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--steel-dark);
  border-top: 1px solid #F1F5F9;
}
.infra-services__list li:first-child { border-top: none; }
.infra-services__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 18px;
  height: 18px;
  background: var(--aqua-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.infra-services__list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 22px;
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--aqua-hover);
  border-bottom: 2px solid var(--aqua-hover);
  transform: rotate(-45deg);
}
@media (max-width: 780px) {
  .infra-services__grid { grid-template-columns: 1fr; }
}

/* ── Cross-link to other pillars ───────────────────────────── */
.infra-related {
  padding: 80px 0;
  background: var(--white);
  border-top: 1px solid #E2E8F0;
}
.infra-related__head {
  text-align: center;
  margin-bottom: 32px;
}
.infra-related__head h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: -0.01em;
  margin: 0;
}
.infra-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 980px;
  margin: 0 auto;
}
.infra-related-card {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 22px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s;
}
.infra-related-card:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 195, 229, 0.4);
}
.infra-related-card h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--slate);
  margin: 0 0 8px;
}
.infra-related-card p {
  font-size: 13px;
  color: var(--steel);
  line-height: 1.5;
  margin: 0 0 12px;
}
.infra-related-card__arrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  color: var(--aqua-hover);
}

/* ── Case story teaser row (hub) ───────────────────────────── */
.infra-cases {
  padding: 100px 0;
}
.infra-cases__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.infra-cases__head h2 {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 600;
  color: var(--slate);
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}
.infra-cases__head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--steel);
  margin: 0;
}
.infra-cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.infra-case-card {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.infra-case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.infra-case-card__vert {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--aqua-hover);
  margin-bottom: 10px;
}
.infra-case-card h4 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--slate);
  margin: 0 0 10px;
}
.infra-case-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--steel);
  margin: 0 0 16px;
}
.infra-case-card__outcome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid #F1F5F9;
}
.infra-case-card__outcome-num {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--aqua-hover);
  letter-spacing: -0.01em;
  line-height: 1;
}
.infra-case-card__outcome-label {
  font-size: 12px;
  color: var(--steel);
  line-height: 1.3;
}

/* ── Cert badge strip ──────────────────────────────────────── */
.infra-certs {
  padding: 60px 0;
  background: var(--soft-gray);
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}
.infra-certs__row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.infra-cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  color: var(--slate);
  letter-spacing: 0.3px;
}
.infra-cert-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

/* ── Pillar hero variant (sub-page) ───────────────────────── */
.infra-pillar-hero {
  position: relative;
  padding: 50px 0 80px;
  background:
    radial-gradient(circle at 70% 30%, rgba(47, 195, 229, 0.18), transparent 45%),
    linear-gradient(135deg, #0B1628 0%, #111827 55%, #1B2740 100%);
  color: var(--white);
  overflow: hidden;
}
.infra-pillar-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 20px;
}
.infra-pillar-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0 0 20px;
}
.infra-pillar-hero__sub {
  font-size: 17px;
  line-height: 1.65;
  color: #CFD8DC;
  max-width: 580px;
  margin: 0 0 30px;
}
.infra-pillar-hero__stats {
  display: flex;
  gap: 36px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.infra-pillar-hero__stat-num {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  color: var(--aqua-light);
  line-height: 1;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.infra-pillar-hero__stat-label {
  font-size: 12px;
  color: #A8B5BE;
  line-height: 1.4;
  max-width: 180px;
}
.infra-pillar-hero__visual {
  position: relative;
  aspect-ratio: 5 / 4;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(47, 195, 229, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-xl);
}
.infra-pillar-hero__visual svg { width: 100%; height: 100%; display: block; }
@media (max-width: 900px) {
  .infra-pillar-hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .infra-pillar-hero__stats { flex-wrap: wrap; gap: 22px; }
}

/* ═════════════════════════════════════════════════════════════════
   Mobile polish — catches everything that breaks below 768px.
   Added 2026-04-21 after CEO flagged mobile accessibility.
   ═════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  /* Section padding shrinks so we don't waste a phone-height in whitespace */
  .infra-hero,
  .infra-pillar-hero { padding: 56px 0 48px; }
  .infra-pillar-section,
  .infra-framework,
  .infra-arch-section,
  .infra-matrix-section,
  .infra-services,
  .infra-related,
  .infra-cases,
  .infra-certs,
  .infra-verticals,
  .infra-vendor-section { padding: 56px 0; }

  /* Pillar hero visual card can shrink */
  .infra-pillar-hero__visual { padding: 16px; aspect-ratio: auto; }
  .infra-pillar-hero__stats { gap: 18px; padding-top: 20px; margin-top: 28px; }
  .infra-pillar-hero__stat-num { font-size: 26px; }
  .infra-pillar-hero__stat-label { font-size: 11px; }

  /* Tabs — three tabs in a row at 375px width was unreadable */
  .infra-tabs {
    flex-wrap: wrap;
    max-width: 100%;
    gap: 4px;
    border-radius: 12px;
  }
  .infra-tab {
    flex: 1 0 auto;
    font-size: 11.5px;
    padding: 10px 12px;
    letter-spacing: 0.2px;
  }

  /* Arch panel internals tighten up */
  .infra-arch-panel__diagram { padding: 20px 16px 14px; }
  .infra-arch-panel__meta { padding: 22px 20px; }
  .infra-arch-panel__name { font-size: 22px; }
  .infra-arch-panel__scope { font-size: 10.5px; }
  .infra-arch-panel__desc { font-size: 14.5px; line-height: 1.6; }

  /* BOM + Vendor Matrix tables → horizontal scroll container.
     display: block + overflow-x on the <table> itself means the
     scroll is per-table, not page-wide. Thumb-scroll on phone
     is the lesser evil vs. crushed 5-column cells. */
  .infra-bom-table,
  .infra-matrix {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    font-size: 12px;
    border-radius: 8px;
  }
  .infra-bom-table tbody,
  .infra-matrix tbody,
  .infra-bom-table thead,
  .infra-matrix thead { display: table; width: 100%; min-width: 620px; }
  .infra-bom-table td,
  .infra-matrix td { padding: 10px 12px; white-space: normal; }
  .infra-bom-table td:first-child { width: auto; }
  .infra-bom-table th,
  .infra-matrix th { padding: 10px 12px; font-size: 9.5px; }

  /* Pillar + vertical card grids — force single column at 480px
     instead of the desktop auto-fit squish */
  .infra-pillar-grid,
  .infra-vertical-grid,
  .infra-vendor-grid,
  .infra-related__grid,
  .infra-cases__grid { grid-template-columns: 1fr; gap: 14px; }

  /* Pillar card content sizing */
  .infra-pillar-card { padding: 22px 20px; }
  .infra-pillar-card h3 { font-size: 18px; }
  .infra-pillar-card p { font-size: 14px; }

  /* Vertical card content sizing */
  .infra-vertical-card { padding: 20px 18px; }
  .infra-vertical-card h4 { font-size: 16px; }
  .infra-vertical-card p { font-size: 13.5px; }

  /* Case card content sizing */
  .infra-case-card { padding: 22px 20px; }
  .infra-case-card h4 { font-size: 16px; line-height: 1.3; }
  .infra-case-card p { font-size: 14px; }

  /* Certs strip — already flex-wraps; shrink the pills */
  .infra-cert-badge { padding: 8px 14px; font-size: 11px; }

  /* Section heads — let the generic <h2> shrink with viewport */
  .infra-arch-section__head h2,
  .infra-matrix-section__head h2,
  .infra-pillar-section__head h2,
  .infra-framework__copy h2,
  .infra-cases__head h2,
  .infra-vendor-section__head h2,
  .infra-verticals__head h2 { font-size: 28px; }

  /* CTA block */
  .infra-cta-block { padding: 64px 20px; }
  .infra-cta-block h2 { font-size: 30px; }

  /* Services list — compact bullets */
  .infra-services__list li { font-size: 14px; padding-left: 28px; }

  /* Framework hero svg panel */
  .infra-framework__visual { padding: 20px; }

  /* Breadcrumb stays legible */
  .infra-crumb { font-size: 10.5px; letter-spacing: 1.2px; }
}

@media (max-width: 480px) {
  /* Pillar hero stats can stack to 2 wide at phone widths */
  .infra-pillar-hero__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 14px;
  }
  .infra-pillar-hero__stat-label { max-width: none; }

  /* "Deepest Bench" ribbon on the cellular card can collide with the
     card's num label at narrow widths; move it to a compact inline tag */
  .infra-pillar-card span[style*="OUR DEEPEST BENCH"] {
    position: static !important;
    display: inline-block;
    margin-bottom: 10px;
  }
}