/* ===========================
   E-Commerce Agent Readiness
   Light theme — getalby.com style
   =========================== */

:root {
  --er-bg: #ffffff;
  --er-bg-subtle: #f7f8fa;
  --er-bg-dark: #111827;
  --er-fg: #111827;
  --er-fg-muted: #6b7280;
  --er-border: #e5e7eb;
  --er-accent: #FFDF6F;
  --er-green: #16a34a;
  --er-red: #dc2626;
  --er-radius: 16px;
  --er-radius-sm: 8px;
  --er-maxw: 1160px;
  --er-shadow: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --er-shadow-md: 0 4px 20px rgba(0,0,0,.08);
}

body.er-page {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--er-bg);
  color: var(--er-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

/* ===========================
   SHARED UTILITIES
   =========================== */

.er-wrap {
  max-width: var(--er-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.er-section {
  padding: 88px 0;
}

.er-section-alt {
  background: var(--er-bg-subtle);
}

.er-kicker {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--er-fg-muted);
  margin-bottom: 16px;
}

.er-h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--er-fg);
  margin: 0 0 20px;
}

.er-lede {
  font-size: 17px;
  color: var(--er-fg-muted);
  line-height: 1.65;
  margin: 0 0 32px;
}

.er-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

/* ===========================
   BUTTONS
   =========================== */

.er-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--er-fg);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  transition: opacity .15s;
  white-space: nowrap;
}

.er-btn-primary:hover { opacity: .82; color: #fff; }

.er-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: transparent;
  color: var(--er-fg);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--er-border);
  border-radius: 100px;
  transition: border-color .15s, background .15s;
  white-space: nowrap;
}

.er-btn-ghost:hover {
  border-color: var(--er-fg);
  background: rgba(0,0,0,.03);
  color: var(--er-fg);
}

/* ===========================
   NAV
   =========================== */

.er-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--er-border);
}

.er-nav .inner {
  max-width: var(--er-maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}

.er-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--er-fg);
  text-decoration: none;
  flex-shrink: 0;
}

.er-nav .brand .bolt {
  width: 30px;
  height: 30px;
  background: var(--er-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.er-nav .nav-links {
  display: flex;
  gap: 28px;
  margin: 0 auto;
}

.er-nav .nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--er-fg-muted);
  text-decoration: none;
  transition: color .15s;
}

.er-nav .nav-links a:hover { color: var(--er-fg); }

.er-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ===========================
   HERO
   =========================== */

.er-hero {
  padding: 88px 0 80px;
  text-align: center;
}

.er-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  background: rgba(255,223,111,.18);
  border: 1px solid rgba(255,223,111,.55);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: #92400e;
  margin-bottom: 28px;
}

.er-hero h1 {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.025em;
  max-width: 760px;
  margin: 0 auto 24px;
  color: var(--er-fg);
}

.er-hero .lede {
  font-size: 19px;
  color: var(--er-fg-muted);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.er-hero .cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.er-hero .avg-badge {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  box-shadow: var(--er-shadow-md);
  margin-top: 64px;
}

.er-hero .avg-badge .score-block {
  text-align: left;
}

.er-hero .avg-badge .num {
  font-size: 44px;
  font-weight: 800;
  color: var(--er-fg);
  line-height: 1;
  letter-spacing: -.03em;
}

.er-hero .avg-badge .sublabel {
  font-size: 13px;
  color: var(--er-fg-muted);
  margin-top: 4px;
  font-weight: 500;
}

.er-hero .avg-badge .bar-wrap {
  text-align: left;
}

.er-hero .avg-badge .bar-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--er-fg-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
}

.er-hero .avg-badge .bar {
  width: 200px;
  height: 8px;
  background: var(--er-border);
  border-radius: 100px;
  overflow: hidden;
}

.er-hero .avg-badge .bar .fill {
  height: 100%;
  width: 58%;
  background: linear-gradient(90deg, #f59e0b, var(--er-accent));
  border-radius: 100px;
}

/* ===========================
   VALUE PROP
   =========================== */

.er-value {
  padding: 80px 0;
  background: var(--er-bg-subtle);
}

.er-value .inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.er-value .callout {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: 12px;
  margin-top: 32px;
  font-size: 14px;
  font-weight: 600;
  color: var(--er-fg);
  box-shadow: var(--er-shadow);
}

.er-value .callout .tag {
  padding: 3px 10px;
  background: #fee2e2;
  color: #b91c1c;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
}

/* ===========================
   THE GAP
   =========================== */

.er-gap .pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.er-gap .pillar {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 32px;
  box-shadow: var(--er-shadow);
}

.er-gap .pillar .wt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--er-fg-muted);
  margin-bottom: 12px;
}

.er-gap .pillar .pct {
  font-size: 40px;
  font-weight: 800;
  color: var(--er-fg);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.er-gap .pillar h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--er-fg);
}

.er-gap .pillar p {
  font-size: 15px;
  color: var(--er-fg-muted);
  line-height: 1.65;
  margin: 0;
}

/* ===========================
   HOW IT WORKS
   =========================== */

.er-how .steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.er-how .step {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 32px;
  box-shadow: var(--er-shadow);
}

.er-how .step .num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--er-fg-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.er-how .step .ico {
  width: 48px;
  height: 48px;
  background: var(--er-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.er-how .step h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--er-fg);
}

.er-how .step p {
  font-size: 15px;
  color: var(--er-fg-muted);
  line-height: 1.65;
  margin: 0 0 20px;
}

.er-how .step ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.er-how .step li {
  font-size: 14px;
  color: var(--er-fg-muted);
  display: flex;
  gap: 10px;
  line-height: 1.4;
}

.er-how .step li::before {
  content: '✓';
  color: var(--er-green);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===========================
   CASE STUDY
   =========================== */

.er-case .card {
  max-width: 840px;
  margin: 0 auto;
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  box-shadow: var(--er-shadow-md);
  overflow: hidden;
}

.er-case .card-head {
  padding: 20px 32px;
  border-bottom: 1px solid var(--er-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--er-bg-subtle);
}

.er-case .card-head .company {
  font-size: 14px;
  color: var(--er-fg-muted);
  font-weight: 500;
}

.er-case .card-head .company strong {
  color: var(--er-fg);
}

.er-case .score-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 100px;
}

.er-case .score-pill .s-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--er-red);
  line-height: 1;
}

.er-case .score-pill .s-label {
  font-size: 12px;
  color: #b91c1c;
  font-weight: 600;
}

.er-case .card-body {
  padding: 32px;
}

.er-case .metrics {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.er-case .metric-row {
  display: grid;
  grid-template-columns: 200px 1fr 48px;
  align-items: center;
  gap: 16px;
}

.er-case .m-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--er-fg);
  line-height: 1.3;
}

.er-case .m-label .wt {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--er-fg-muted);
  margin-top: 2px;
}

.er-case .bar-track {
  height: 8px;
  background: var(--er-border);
  border-radius: 100px;
  overflow: hidden;
}

.er-case .bar-fill { height: 100%; border-radius: 100px; }

.er-case .m-score {
  font-size: 16px;
  font-weight: 800;
  text-align: right;
  color: var(--er-fg);
}

.er-case .card-foot {
  padding: 20px 32px;
  border-top: 1px solid var(--er-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.er-case .card-foot p {
  font-size: 14px;
  color: var(--er-fg-muted);
  margin: 0;
}

/* ===========================
   MONITORING
   =========================== */

.er-monitor .features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.er-monitor .feat {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 28px;
  box-shadow: var(--er-shadow);
}

.er-monitor .feat .ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,223,111,.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.er-monitor .feat h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--er-fg);
}

.er-monitor .feat p {
  font-size: 14px;
  color: var(--er-fg-muted);
  line-height: 1.6;
  margin: 0;
}

.er-monitor .alert-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--er-shadow-md);
}

.er-monitor .ac-head {
  padding: 13px 20px;
  background: var(--er-fg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.er-monitor .ac-head .dot {
  width: 7px; height: 7px;
  background: #16a34a;
  border-radius: 50%;
}

.er-monitor .ac-head span {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.er-monitor .ac-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.er-monitor .alert-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--er-border);
}

.er-monitor .alert-row.warn {
  background: #fffbeb;
  border-color: #fde68a;
}

.er-monitor .alert-row.ok {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.er-monitor .alert-row .adot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

.er-monitor .alert-row.warn .adot { background: #f59e0b; }
.er-monitor .alert-row.ok .adot   { background: #16a34a; }

.er-monitor .alert-row .amsg {
  font-size: 13px;
  color: var(--er-fg);
  font-weight: 500;
  line-height: 1.4;
}

.er-monitor .alert-row .atime {
  font-size: 12px;
  color: var(--er-fg-muted);
  margin-top: 3px;
}

.er-monitor .ac-foot {
  padding: 12px 20px;
  border-top: 1px solid var(--er-border);
  font-size: 12px;
  color: var(--er-fg-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.er-monitor .ac-foot .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--er-green);
}

/* ===========================
   COMPARISON TABLE
   =========================== */

.er-compare .table-wrap {
  overflow-x: auto;
  border-radius: var(--er-radius);
  box-shadow: var(--er-shadow);
  border: 1px solid var(--er-border);
}

.er-compare table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.er-compare thead th {
  padding: 18px 24px;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  background: var(--er-bg-subtle);
  border-bottom: 1px solid var(--er-border);
  color: var(--er-fg-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 12px;
}

.er-compare thead th.col-new {
  background: var(--er-fg);
  color: rgba(255,255,255,.7);
}

.er-compare thead th.col-new span {
  color: var(--er-accent);
}

.er-compare tbody td {
  padding: 15px 24px;
  font-size: 14px;
  color: var(--er-fg-muted);
  border-bottom: 1px solid var(--er-border);
  line-height: 1.5;
  vertical-align: top;
}

.er-compare tbody tr:last-child td { border-bottom: none; }

.er-compare tbody td.col-feature {
  font-weight: 600;
  color: var(--er-fg);
  width: 30%;
}

.er-compare tbody td.col-new {
  background: rgba(17,24,39,.03);
  font-weight: 600;
  color: var(--er-fg);
}

.er-compare .chk { color: var(--er-green); margin-right: 6px; }
.er-compare .crs { color: #d1d5db; margin-right: 6px; }

/* ===========================
   CATALOGUE INTELLIGENCE
   =========================== */

.er-catalogue .axes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.er-catalogue .axis {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 24px 20px;
  box-shadow: var(--er-shadow);
  text-align: center;
}

.er-catalogue .axis .ico {
  width: 44px;
  height: 44px;
  background: rgba(255,223,111,.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 20px;
}

.er-catalogue .axis h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--er-fg);
}

.er-catalogue .axis p {
  font-size: 13px;
  color: var(--er-fg-muted);
  line-height: 1.55;
  margin: 0;
}

.er-catalogue .constraints {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 32px;
  box-shadow: var(--er-shadow);
}

.er-catalogue .constraints h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--er-fg);
  margin: 0 0 20px;
}

.er-catalogue .constraint-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.er-catalogue .ctag {
  padding: 6px 14px;
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}

/* ===========================
   OPEN SPEC / 402
   =========================== */

.er-spec {
  padding: 88px 0;
  background: var(--er-fg);
  color: #fff;
}

.er-spec .inner {
  max-width: 740px;
  margin: 0 auto;
  text-align: center;
}

.er-spec .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(255,223,111,.12);
  border: 1px solid rgba(255,223,111,.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--er-accent);
  margin-bottom: 28px;
}

.er-spec h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -.025em;
  color: #fff;
  margin: 0 0 20px;
  line-height: 1.12;
}

.er-spec p {
  font-size: 17px;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
  margin: 0 0 16px;
}

.er-spec .license {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  font-weight: 500;
  margin: 24px 0 36px;
}

.er-spec .cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.er-spec .er-btn-primary {
  background: var(--er-accent);
  color: var(--er-fg);
}

.er-spec .er-btn-primary:hover { color: var(--er-fg); opacity: .88; }

.er-spec .er-btn-ghost {
  border-color: rgba(255,255,255,.2);
  color: rgba(255,255,255,.75);
  background: transparent;
}

.er-spec .er-btn-ghost:hover {
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.05);
  color: #fff;
}

/* ===========================
   USE CASES
   =========================== */

.er-usecases .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.er-usecases .uc-card {
  background: var(--er-bg);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 40px;
  box-shadow: var(--er-shadow);
}

.er-usecases .uc-card .tag {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--er-bg-subtle);
  border: 1px solid var(--er-border);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--er-fg-muted);
  margin-bottom: 20px;
}

.er-usecases .uc-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.22;
  color: var(--er-fg);
}

.er-usecases .uc-card p {
  font-size: 15px;
  color: var(--er-fg-muted);
  line-height: 1.65;
  margin: 0 0 24px;
}

.er-usecases .uc-card ul {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.er-usecases .uc-card li {
  font-size: 14px;
  color: var(--er-fg);
  display: flex;
  gap: 10px;
  line-height: 1.4;
}

.er-usecases .uc-card li::before {
  content: '✓';
  color: var(--er-green);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===========================
   BETA CTA
   =========================== */

.er-beta .inner {
  max-width: 660px;
  margin: 0 auto;
  text-align: center;
}

.er-beta .benefits {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 36px 0 40px;
}

.er-beta .benefit {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--er-fg);
}

.er-beta .benefit .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--er-green);
  flex-shrink: 0;
}

/* ===========================
   FOOTER
   =========================== */

.er-footer {
  background: var(--er-bg);
  border-top: 1px solid var(--er-border);
  padding: 48px 0 32px;
}

.er-footer .inner {
  max-width: var(--er-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.er-footer .top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
}

.er-footer .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--er-fg);
  text-decoration: none;
  margin-bottom: 8px;
}

.er-footer .brand .bolt {
  width: 28px; height: 28px;
  background: var(--er-accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.er-footer .tagline {
  font-size: 14px;
  color: var(--er-fg-muted);
  margin: 0;
}

.er-footer .footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: center;
}

.er-footer .footer-links a {
  font-size: 14px;
  color: var(--er-fg-muted);
  text-decoration: none;
  transition: color .15s;
}

.er-footer .footer-links a:hover { color: var(--er-fg); }

.er-footer .social {
  display: flex;
  gap: 10px;
}

.er-footer .social a {
  width: 36px; height: 36px;
  border: 1px solid var(--er-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--er-fg-muted);
  transition: border-color .15s, color .15s;
}

.er-footer .social a:hover {
  border-color: var(--er-fg);
  color: var(--er-fg);
}

.er-footer .bottom-row {
  padding-top: 24px;
  border-top: 1px solid var(--er-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.er-footer .copyright, .er-footer .contact {
  font-size: 13px;
  color: var(--er-fg-muted);
  margin: 0;
}

.er-footer .contact a {
  color: var(--er-fg);
  text-decoration: none;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 960px) {
  .er-gap .pillars,
  .er-how .steps,
  .er-monitor .features,
  .er-usecases .grid {
    grid-template-columns: 1fr;
  }

  .er-catalogue .axes {
    grid-template-columns: repeat(2, 1fr);
  }

  .er-nav .nav-links { display: none; }
}

@media (max-width: 600px) {
  .er-section { padding: 56px 0; }
  .er-hero { padding: 56px 0 48px; }

  .er-hero .avg-badge {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
  }

  .er-hero .avg-badge .bar { width: 100%; }

  .er-catalogue .axes {
    grid-template-columns: 1fr 1fr;
  }

  .er-case .metric-row {
    grid-template-columns: 1fr 40px;
    grid-template-rows: auto auto;
  }

  .er-case .metric-row .m-label { grid-column: 1 / -1; }

  .er-compare table { font-size: 13px; }
  .er-compare thead th,
  .er-compare tbody td { padding: 12px 16px; }

  .er-usecases .uc-card { padding: 28px 24px; }
}