/* AIRCOMF — COMMERCIAL HVAC & RTU ENGINEERING PORTAL */
/* REFINED, LIGHT, ENTERPRISE MECHANICAL ENGINEERING THEME */

:root {
  /* BACKGROUNDS (LIGHT & CRISP) */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-hover: #e2e8f0;

  /* BRAND & ACCENTS (PROFESSIONAL CORPORATE NAVY & PRECISION BLUE) */
  --brand-navy: #0f2b48;
  --brand-navy-hover: #091d31;
  --brand-blue: #1d4ed8;
  --brand-blue-hover: #1e40af;
  --brand-light: #eff6ff;
  --brand-border: #dbeafe;

  /* ACCENT BLUE */
  --tech-blue: #0284c7;
  --tech-blue-hover: #0369a1;
  --tech-light: #f0f9ff;

  /* SUBTLE STATUS INDICATORS (MUTED, NOT CARTOONISH) */
  --status-green: #15803d;
  --status-green-bg: #f0fdf4;
  --status-green-border: #bbf7d0;

  --status-amber: #b45309;
  --status-amber-bg: #fffbeb;
  --status-amber-border: #fde68a;

  /* BORDERS */
  --border-main: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-dark: #cbd5e1;

  /* TEXT COLORS */
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-light: #94a3b8;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--brand-blue-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 20px;
}

/* TOP ANNOUNCEMENT BAR (LIGHT & SUBTLE) */
.top-announcement {
  background: #ffffff;
  color: var(--text-dim);
  font-size: 0.76rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-main);
}
.top-announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.top-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-weight: 500;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: #16a34a;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.2);
}

/* SITE HEADER (CLEAN WHITE, PROFESSIONAL, NEVER OVERFLOWS) */
.site-header {
  background: #ffffff;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-main);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo-badge {
  background: var(--brand-navy);
  color: #ffffff;
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.brand-main {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--text-main);
  white-space: nowrap;
}
.brand-titles {
  display: flex;
  flex-direction: column;
}
.brand-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* NAVIGATION (COMPACT, CRISP) */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
}
.nav-link:hover {
  color: var(--brand-navy);
  background: var(--bg-subtle);
}
.nav-link.active {
  color: var(--brand-blue);
  background: var(--brand-light);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-navy);
  color: #ffffff !important;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.82rem;
  transition: background 0.15s;
  white-space: nowrap;
  text-decoration: none;
}
.header-phone:hover {
  background: var(--brand-navy-hover);
}

.mobile-nav-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

/* METADATA SUB-BAR */
.meta-bar {
  background: #f8fafc;
  border-bottom: 1px solid var(--border-main);
  padding: 8px 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.meta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumbs a {
  color: var(--text-dim);
}
.breadcrumbs a:hover {
  color: var(--brand-blue);
}
.breadcrumbs span {
  color: var(--text-main);
  font-weight: 600;
}
.doc-spec-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--border-main);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
}

/* HERO SECTION */
.hero-section {
  background: #ffffff;
  border-bottom: 1px solid var(--border-main);
  padding: 40px 0 44px 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 36px;
  align-items: center;
}
.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-main);
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-pill.status {
  background: var(--status-amber-bg);
  color: var(--status-amber);
  border-color: var(--status-amber-border);
}
.badge-pill.verified {
  background: var(--status-green-bg);
  color: var(--status-green);
  border-color: var(--status-green-border);
}

.hero-title {
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1.18;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  line-height: 1.55;
}
.spec-chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.spec-chip {
  background: #f8fafc;
  border: 1px solid var(--border-main);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
}
.chip-icon {
  font-size: 1.15rem;
  line-height: 1;
}
.chip-text {
  display: flex;
  flex-direction: column;
}
.chip-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
  letter-spacing: 0.03em;
}
.chip-val {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-main);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  line-height: 1.3;
}
.btn-primary, .btn-orange, .btn-crimson {
  background: var(--brand-navy);
  color: #ffffff !important;
}
.btn-primary:hover, .btn-orange:hover, .btn-crimson:hover {
  background: var(--brand-navy-hover);
}
.btn-blue {
  background: var(--brand-blue);
  color: #ffffff !important;
}
.btn-blue:hover {
  background: var(--brand-blue-hover);
}
.btn-slate, .btn-secondary {
  background: var(--text-main);
  color: #ffffff !important;
}
.btn-slate:hover, .btn-secondary:hover {
  background: #1e293b;
}
.btn-outline {
  background: #ffffff;
  color: var(--text-main) !important;
  border-color: var(--border-dark);
}
.btn-outline:hover {
  background: #f8fafc;
  border-color: var(--text-muted);
}

/* HERO SHOWCASE CARD */
.hero-image-card {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.image-tag-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--border-main);
  padding: 8px 14px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hero-product-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: #f1f5f9;
}
.model-callout-bar {
  padding: 10px 14px;
  background: #ffffff;
  border-top: 1px solid var(--border-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* 4-BOX INTENT SECTION */
.intent-section {
  padding: 28px 0;
  background: var(--bg-page);
  border-bottom: 1px solid var(--border-main);
}
.intent-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.intent-card {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-top: 3px solid var(--brand-navy);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
}
.intent-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
.intent-card.accent {
  border-top-color: var(--brand-blue);
}
.intent-icon {
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.intent-title {
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 5px;
}
.intent-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 10px;
  flex-grow: 1;
}
.intent-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.intent-link:hover {
  color: var(--brand-blue-hover);
}

/* SECTION COMMONS */
.content-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--border-main);
}
.content-section.alt-bg {
  background: #ffffff;
}
.section-header-block {
  margin-bottom: 26px;
}
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  margin-bottom: 5px;
}
.section-heading {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.01em;
}
.section-lead {
  font-size: 0.94rem;
  color: var(--text-muted);
  max-width: 800px;
  margin-top: 5px;
}

/* EQUIPMENT GRID */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.equipment-card {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.equipment-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.equipment-img-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #f1f5f9;
}
.equipment-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}
.equipment-card:hover .equipment-img {
  transform: scale(1.02);
}
.equipment-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.equipment-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.equipment-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}
.equipment-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
}
.equipment-specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.spec-mini-pill {
  background: #f1f5f9;
  border: 1px solid var(--border-main);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

/* MANUALS GRID */
.manuals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.manual-card {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-top: 3px solid var(--brand-navy);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
}
.manual-card.alt {
  border-top-color: var(--brand-blue);
}
.manual-card.warning {
  border-top-color: var(--tech-blue);
}
.manual-eyebrow {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--brand-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.manual-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}
.manual-card-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
}
.manual-card-features {
  list-style: none;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.manual-card-features li {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.manual-card-features li::before {
  content: "✓";
  color: #16a34a;
  font-weight: 800;
}

/* DATA TABLES */
.table-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
  margin-bottom: 20px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}
.data-table th {
  background: #f8fafc;
  color: var(--text-main);
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border-main);
  white-space: nowrap;
}
.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-main);
  color: var(--text-main);
}
.data-table tr:nth-child(even) td {
  background: #fafbfc;
}
.data-table tr:hover td {
  background: #f1f5f9;
}
.code-badge {
  font-family: var(--font-mono);
  background: var(--brand-light);
  color: var(--brand-blue);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.78rem;
  border: 1px solid var(--brand-border);
}
.code-badge.orange {
  background: var(--status-amber-bg);
  color: var(--status-amber);
  border-color: var(--status-amber-border);
}
.code-badge.slate {
  background: #f1f5f9;
  color: var(--text-muted);
  border-color: var(--border-main);
}

/* DISPATCH BANNER */
.dispatch-banner {
  background: var(--brand-navy);
  border: 1px solid #1e3a5f;
  border-radius: var(--radius-md);
  padding: 28px;
  color: #ffffff;
  margin: 32px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.dispatch-left {
  max-width: 680px;
}
.dispatch-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-blue);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.dispatch-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 6px;
}
.dispatch-desc {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.5;
}
.dispatch-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 240px;
}

/* QUOTE BOX */
.quote-box {
  background: #ffffff;
  border: 1px solid var(--border-main);
  border-left: 4px solid var(--brand-navy);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin: 32px 0;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  align-items: center;
}
.quote-box h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}
.quote-box p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.quote-form-row {
  display: flex;
  gap: 8px;
}
.input-text {
  flex-grow: 1;
  border: 1px solid var(--border-dark);
  padding: 10px 12px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  background: #ffffff;
}
.input-text:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.12);
}

/* ARTICLE / EDITORIAL */
.article-container {
  max-width: 860px;
  margin: 0 auto;
}
.article-header {
  padding: 32px 0 20px 0;
  border-bottom: 1px solid var(--border-main);
  margin-bottom: 26px;
}
.article-title {
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 10px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.article-body h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 30px 0 12px 0;
  border-bottom: 1px solid var(--border-main);
  padding-bottom: 6px;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 20px 0 8px 0;
}
.article-body p {
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 16px;
}
.article-body ul, .article-body ol {
  margin: 0 0 18px 22px;
}
.article-body li {
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.55;
}

/* CALLOUTS */
.callout {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 0.86rem;
  line-height: 1.5;
  border-left: 4px solid;
}
.callout.info {
  background: var(--brand-light);
  border-color: var(--brand-blue);
  color: #1e3a8a;
}
.callout.warning {
  background: var(--status-amber-bg);
  border-color: var(--status-amber);
  color: #78350f;
}
.callout.danger {
  background: #fef2f2;
  border-color: #dc2626;
  color: #7f1d1d;
}
.callout-title {
  font-weight: 800;
  margin-bottom: 4px;
}

/* FOOTER (CLEAN SLATE) */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 44px 0 24px 0;
  font-size: 0.82rem;
  border-top: 1px solid #1e293b;
  margin-top: 44px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-col h5 {
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--brand-blue);
  padding-bottom: 5px;
  display: inline-block;
}
.footer-col p {
  line-height: 1.55;
  margin-bottom: 8px;
  font-size: 0.82rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}
.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.footer-disclaimer {
  background: #090e17;
  border: 1px solid #1e293b;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  line-height: 1.45;
  color: #94a3b8;
  margin-bottom: 20px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #1e293b;
  padding-top: 16px;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.76rem;
}

/* RESPONSIVE (BREAKPOINT AT 1060px PREVENTS OVERFLOW) */
@media (max-width: 1060px) {
  .main-nav {
    display: none;
  }
  .main-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 2px solid var(--brand-navy);
    padding: 14px 18px;
    gap: 6px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    z-index: 200;
  }
  .main-nav.mobile-open .nav-link {
    padding: 8px 12px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .intent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .top-announcement {
    display: none;
  }
  .hero-title {
    font-size: 1.7rem;
  }
  .spec-chips {
    grid-template-columns: 1fr;
  }
  .intent-grid {
    grid-template-columns: 1fr;
  }
  .equipment-grid {
    grid-template-columns: 1fr;
  }
  .manuals-grid {
    grid-template-columns: 1fr;
  }
  .quote-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}