/* ZDKG Compute — Precision Engineering & AI Infrastructure Design System
   Self-hosted typography · Strict CSP safe (zero inline styles) */

@font-face {
  font-family: "Inter";
  src: url("/static/fonts/Inter-Variable.woff2") format("woff2-variations");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/static/fonts/JetBrainsMono-Variable.woff2") format("woff2-variations");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-base: #07090d;
  --bg-surface: #0b0f16;
  --bg-panel: #101620;
  --bg-panel-alt: #141c29;
  --bg-input: #090d13;

  --border-subtle: rgba(148, 163, 184, 0.12);
  --border-mid: rgba(148, 163, 184, 0.22);
  --border-accent: rgba(56, 189, 248, 0.42);
  --border-emerald: rgba(16, 185, 129, 0.38);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --cyan: #38bdf8;
  --cyan-strong: #0ea5e9;
  --cyan-dim: rgba(56, 189, 248, 0.11);
  --emerald: #10b981;
  --emerald-dim: rgba(16, 185, 129, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --container-max: 1220px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background-color: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

a:hover {
  color: #7dd3fc;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--cyan);
  color: #041019;
  padding: 0.6rem 1rem;
  font-weight: 600;
  z-index: 999;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 13, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--text-primary);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: block;
  border-radius: 9px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.primary-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.primary-nav a:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.lang-switch a {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-weight: 600;
  text-decoration: none;
}

.lang-switch a.active {
  background: rgba(56, 189, 248, 0.16);
  color: var(--cyan);
}

.lang-switch a:hover:not(.active) {
  color: var(--text-primary);
}

.nav-toggle {
  display: none;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.72rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn-sm {
  font-size: 0.84rem;
  padding: 0.48rem 0.9rem;
}

.btn-primary {
  background: var(--cyan);
  color: #04111d;
  border-color: var(--cyan);
}

.btn-primary:hover {
  background: #7dd3fc;
  border-color: #7dd3fc;
  color: #04111d;
}

.btn-secondary {
  background: var(--bg-panel);
  color: var(--text-primary);
  border-color: var(--border-mid);
}

.btn-secondary:hover {
  background: var(--bg-panel-alt);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background-image:
    radial-gradient(circle at 18% 15%, rgba(56, 189, 248, 0.09), transparent 44%),
    radial-gradient(circle at 82% 28%, rgba(16, 185, 129, 0.07), transparent 42%),
    linear-gradient(to right, rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  background: rgba(16, 22, 32, 0.9);
  border: 1px solid var(--border-accent);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #bae6fd;
  margin-bottom: 1.35rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 10px var(--emerald);
}

.hero h1 {
  font-size: clamp(2.15rem, 3.9vw, 3.35rem);
  line-height: 1.11;
  letter-spacing: -0.03em;
  font-weight: 750;
  margin: 0 0 1.25rem;
  color: var(--text-primary);
}

.hero h1 .accent {
  color: var(--cyan);
}

.hero-lead {
  font-size: 1.08rem;
  line-height: 1.68;
  color: var(--text-secondary);
  margin: 0 0 1.85rem;
  max-width: 60ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.4rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-val.ok {
  color: var(--emerald);
}

.metric-val.cyan {
  color: var(--cyan);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Interactive Telemetry Workbench */
.workbench {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.workbench-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1.1rem;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.workbench-id {
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.badge-pass {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  background: var(--emerald-dim);
  border: 1px solid var(--border-emerald);
  color: #34d399;
  font-weight: 600;
  font-size: 0.7rem;
}

.workbench-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
}

.wb-tab {
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 600;
  padding: 0.72rem 0.5rem;
  cursor: pointer;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.wb-tab:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
}

.wb-tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(56, 189, 248, 0.06);
}

.wb-panel {
  padding: 1.25rem;
}

.wb-panel[hidden] {
  display: none;
}

.telemetry-unit-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.9rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.unit-model {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--text-primary);
}

.unit-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.telemetry-rows {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
}

.t-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.t-key {
  color: var(--text-secondary);
}

.t-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.t-val.good {
  color: #34d399;
}

.t-val.cyan {
  color: var(--cyan);
}

.workbench-foot {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  color: var(--text-muted);
}

/* Burn-in SVG Chart */
.chart-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-swatch {
  width: 12px;
  height: 3px;
  border-radius: 2px;
}

.swatch-emerald {
  background: var(--emerald);
}

.swatch-amber {
  background: var(--amber);
}

/* Certificate Dossier Preview */
.cert-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 0.8rem;
}

.cert-field span {
  display: block;
  color: var(--text-muted);
  font-size: 0.67rem;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.cert-field strong {
  color: var(--text-primary);
  font-weight: 600;
}

.cert-hash {
  padding: 0.5rem 0.65rem;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--cyan);
  font-size: 0.69rem;
  word-break: break-all;
}

/* Generic Sections */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

.section-header {
  max-width: 720px;
  margin-bottom: 3rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.65rem;
}

.section-title {
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 0.9rem;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.03rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.65;
}

/* 4-Card Root-Cause Engineering Grid */
.eng-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.35rem;
}

.eng-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.eng-card:hover {
  border-color: var(--border-accent);
}

.eng-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.eng-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--cyan);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--cyan-dim);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.eng-tag {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(245, 158, 11, 0.28);
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
}

.eng-card h3 {
  font-size: 1.18rem;
  margin: 0 0 0.65rem;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.eng-card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin: 0 0 1.25rem;
  line-height: 1.62;
}

.eng-remedy {
  padding-top: 0.95rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--text-primary);
}

.eng-remedy strong {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--emerald);
  display: block;
  margin-bottom: 0.25rem;
}

/* 5-Stage Pipeline */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.stage-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stage-step {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin-bottom: 0.65rem;
  font-weight: 700;
}

.stage-card h3 {
  font-size: 1.02rem;
  margin: 0 0 0.6rem;
  line-height: 1.32;
  color: var(--text-primary);
}

.stage-card p {
  font-size: 0.87rem;
  color: var(--text-secondary);
  margin: 0 0 1.1rem;
  line-height: 1.55;
}

.pass-gate {
  padding: 0.5rem 0.65rem;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #34d399;
}

/* Platforms & Comparison Table */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.platform-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.platform-card h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
}

.spec-list li {
  padding: 0.38rem 0.6rem;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.compare-table thead th {
  background: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.compare-table thead th.highlight-col,
.compare-table td.highlight-col {
  background: rgba(56, 189, 248, 0.07);
}

.compare-table thead th.highlight-col {
  color: var(--cyan);
}

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

.td-muted {
  color: var(--text-muted);
}

.td-strong {
  color: var(--text-primary);
  font-weight: 600;
}

.td-emerald {
  color: #34d399;
  font-weight: 600;
}

/* Procurement & Lot Acquisition */
.proc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.25rem;
}

.proc-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.proc-card h3 {
  font-size: 1.08rem;
  margin: 0 0 0.55rem;
  color: var(--text-primary);
}

.proc-card p {
  font-size: 0.91rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

.acquisition-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.75rem 2rem;
  background: linear-gradient(135deg, rgba(16, 22, 32, 0.95), rgba(20, 28, 41, 0.95));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
}

.acquisition-banner h3 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.acquisition-banner p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--text-secondary);
  max-width: 68ch;
}

/* Contact & Structured RFQ Configurator */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.rfq-box,
.direct-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.rfq-box h3,
.direct-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.18rem;
}

.rfq-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 1.35rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  margin-bottom: 1rem;
}

.form-grid .form-field {
  margin-bottom: 0;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-field select,
.form-field input,
.form-field textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

.form-field textarea {
  min-height: 96px;
  resize: vertical;
}

.rfq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.rfq-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--emerald);
  min-height: 1.2em;
  margin-top: 0.6rem;
}

.contact-dl {
  margin: 1.25rem 0 0;
  display: grid;
  gap: 0.95rem;
}

.contact-dl dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.contact-dl dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  padding: 2.75rem 0;
  background: var(--bg-base);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-meta p {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem;
  font-size: 0.88rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Legal & Editorial Pages */
.legal-main {
  max-width: 820px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.legal-main h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.6rem;
}

.legal-lede {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin: 0 0 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-main h2 {
  font-size: 1.2rem;
  margin: 2.1rem 0 0.65rem;
  color: var(--text-primary);
}

.legal-main p,
.legal-main li,
.legal-main dd {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.68;
}

.legal-main address {
  font-style: normal;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  color: var(--text-primary);
  line-height: 1.65;
}

.legal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin: 1.25rem 0;
}

.legal-divider {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--border-mid);
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .pipeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-mid);
  }

  .primary-nav.open {
    display: flex;
  }

  .eng-grid,
  .platform-grid,
  .proc-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .acquisition-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 580px) {
  .hero {
    padding: 3.25rem 0 3rem;
  }

  .hero-metrics,
  .pipeline-grid,
  .form-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .wb-tab {
    font-size: 0.67rem;
    padding: 0.65rem 0.3rem;
  }

  .header-cta {
    display: none;
  }
}

@media print {
  .site-header,
  .hero-cta,
  .rfq-actions {
    display: none;
  }

  body,
  html {
    background: #ffffff;
    color: #0f172a;
  }
}