/* ==========================================================================
   VALOR FOUNDATION INC. — INSTITUTIONAL DESIGN SYSTEM
   Palette & Typography: Warm White (#F7F5EF), Lab White (#FFFFFF),
   Carbon Ink (#1B1E19), Admiralty Navy (#1D3557), Mineral Blue (#8EA7B2),
   Alloy Silver (#BCC5C1), Valor Green (#A9CF19 - 10% restrained accent),
   Burnished Gold (#C59B27).
   WCAG 2.1 AA / TBI-Safe High-Clarity Architecture
   ========================================================================== */

:root {
  --warm-white: #F7F5EF;
  --lab-white: #FFFFFF;
  --carbon-ink: #1B1E19;
  --carbon-elevated: #232721;
  --admiralty-navy: #1D3557;
  --admiralty-deep: #122238;
  --mineral-blue: #8EA7B2;
  --mineral-dark: #4F6873;
  --alloy-silver: #BCC5C1;
  --alloy-light: #E2E6E3;
  --valor-green: #A9CF19;
  --valor-green-hover: #bbe028;
  --burnished-gold: #C59B27;
  --text-primary: #1B1E19;
  --text-secondary: #3E4641;
  --text-muted: #55605A;
  --danger-bg: #FDF2F2;
  --danger-border: #B91C1C;
  --danger-text: #7F1D1D;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --max-width: 1320px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-subtle: 0 2px 12px rgba(27, 30, 25, 0.05);
  --shadow-card: 0 8px 28px rgba(27, 30, 25, 0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--warm-white);
  color: var(--text-primary);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.72;
  background-color: var(--warm-white);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

body.tbi-calm-mode {
  --warm-white: #F3F1EA;
  --lab-white: #FAF8F2;
  letter-spacing: 0.01em;
  line-height: 1.82;
}

/* Skip Link for WCAG 2.1 AA */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--carbon-ink);
  color: var(--valor-green);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border: 2px solid var(--valor-green);
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: 0.75rem;
}

/* Focus Visible */
:focus-visible {
  outline: 3px solid var(--admiralty-navy);
  outline-offset: 3px;
}

/* Top Valor Green Signature Rule */
.valor-signature-rule {
  height: 5px;
  background: linear-gradient(90deg, var(--valor-green) 0%, var(--valor-green) 65%, var(--burnished-gold) 100%);
  width: 100%;
}

/* Institutional & Veterans Crisis Top Bar */
.institutional-topbar {
  background-color: var(--carbon-ink);
  color: var(--warm-white);
  border-bottom: 1px solid rgba(188, 197, 193, 0.22);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.4;
  padding: 0.5rem 0;
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.topbar-entity {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  color: var(--alloy-light);
}

.topbar-dot {
  color: var(--valor-green);
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.crisis-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(169, 207, 25, 0.12);
  border: 1px solid rgba(169, 207, 25, 0.45);
  color: var(--warm-white);
  padding: 0.22rem 0.65rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
}
.crisis-badge strong {
  color: var(--valor-green);
}
.crisis-badge:hover {
  background: rgba(169, 207, 25, 0.22);
}

.emblem-Audit-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--carbon-elevated);
  border: 1px solid rgba(142, 167, 178, 0.45);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  color: var(--alloy-light);
}

.emblem-Audit-switcher label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mineral-blue);
}

.emblem-Audit-switcher select {
  background: transparent;
  color: var(--valor-green);
  border: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}
.emblem-Audit-switcher select option {
  background: var(--carbon-ink);
  color: var(--warm-white);
}

.calm-toggle-btn {
  background: transparent;
  border: 1px solid rgba(188, 197, 193, 0.35);
  color: var(--alloy-light);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
}
.calm-toggle-btn:hover,
.calm-toggle-btn[aria-pressed="true"] {
  border-color: var(--valor-green);
  color: var(--valor-green);
}

/* Sticky Main Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--alloy-silver);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.65rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-lockup img {
  height: 58px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--carbon-ink);
  text-decoration: none;
  padding: 0.35rem 0.15rem;
  border-bottom: 3px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--admiralty-navy);
  border-bottom-color: var(--valor-green);
}

.mobile-menu-btn {
  display: none;
  background: var(--carbon-ink);
  color: var(--valor-green);
  border: 1px solid var(--carbon-ink);
  padding: 0.5rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 0.78rem 1.45rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--carbon-ink);
  color: var(--valor-green);
  border-color: var(--carbon-ink);
}
.btn-primary:hover {
  background-color: var(--admiralty-navy);
  border-color: var(--admiralty-navy);
  color: var(--valor-green);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.btn-navy {
  background-color: var(--admiralty-navy);
  color: var(--valor-green);
  border-color: var(--admiralty-navy);
}
.btn-navy:hover {
  background-color: var(--carbon-ink);
  border-color: var(--carbon-ink);
  color: var(--valor-green);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--lab-white);
  color: var(--carbon-ink);
  border-color: var(--mineral-blue);
}
.btn-secondary:hover {
  border-color: var(--admiralty-navy);
  background-color: var(--warm-white);
  transform: translateY(-1px);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--warm-white);
  border-color: var(--mineral-blue);
}
.btn-outline-light:hover {
  border-color: var(--valor-green);
  color: var(--valor-green);
}

.btn-sm {
  padding: 0.55rem 1.05rem;
  font-size: 0.84rem;
}

/* Containers & Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.75rem 0;
  border-bottom: 1px solid var(--alloy-silver);
}

.section-white {
  background-color: var(--lab-white);
}

.section-warm {
  background-color: var(--warm-white);
}

.section-dark {
  background-color: var(--carbon-ink);
  color: var(--warm-white);
  border-bottom: 1px solid rgba(188, 197, 193, 0.2);
}

.section-navy {
  background-color: var(--admiralty-navy);
  color: var(--warm-white);
  border-bottom: 1px solid rgba(188, 197, 193, 0.25);
}

/* Typography & Section Headers */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--admiralty-navy);
  margin-bottom: 0.65rem;
}
.section-dark .kicker,
.section-navy .kicker {
  color: var(--valor-green);
}

.kicker::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 4px;
  border-radius: 2px;
  background-color: var(--valor-green);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.14;
  margin-top: 0;
  color: inherit;
}

h1 {
  font-size: clamp(2.35rem, 4.3vw, 3.85rem);
  font-weight: 700;
  margin-bottom: 1.15rem;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.55rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.accent-navy {
  color: var(--admiralty-navy);
}

.accent-green-dark {
  color: var(--valor-green);
}

.section-rule {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.15rem 0 1.65rem;
}
.section-rule .rule-green {
  width: 72px;
  height: 6px;
  border-radius: 3px;
  background-color: var(--valor-green);
  flex-shrink: 0;
}
.section-rule .rule-line {
  flex-grow: 1;
  height: 1px;
  background-color: var(--alloy-silver);
}
.section-dark .section-rule .rule-line,
.section-navy .section-rule .rule-line {
  background-color: rgba(188, 197, 193, 0.25);
}

.lead {
  font-size: 1.2rem;
  line-height: 1.68;
  color: var(--text-secondary);
  max-width: 78ch;
}
.section-dark .lead,
.section-navy .lead {
  color: var(--alloy-light);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4.25rem 0 4.5rem;
  background: radial-gradient(circle at 82% 42%, rgba(142, 167, 178, 0.14) 0%, rgba(247, 245, 239, 0) 55%), var(--warm-white);
  border-bottom: 1px solid var(--alloy-silver);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.32fr 0.88fr;
  gap: 3rem;
  align-items: center;
}

.hero-stars-row {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-left: 4px solid var(--valor-green);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--admiralty-navy);
}

.hero-emblem-card {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  position: relative;
}

.hero-emblem-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--admiralty-navy), var(--valor-green), var(--burnished-gold));
}

.hero-emblem-card img {
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto 1rem;
  display: block;
}

.hero-emblem-caption {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  border-top: 1px solid var(--alloy-light);
  padding-top: 0.85rem;
  margin-top: 0.5rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 2.25rem;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.arch-badge {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-top: 3px solid var(--admiralty-navy);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
}
.arch-badge-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--mineral-dark);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.2rem;
}
.arch-badge-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--carbon-ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Page Sub-Hero (Interior Pages) */
.page-hero {
  background-color: var(--carbon-ink);
  color: var(--warm-white);
  padding: 3.5rem 0 3.25rem;
  border-bottom: 4px solid var(--valor-green);
}
.page-hero .lead {
  color: var(--alloy-light);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mineral-blue);
  margin-bottom: 0.85rem;
}
.breadcrumb a {
  color: var(--valor-green);
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
}

/* Grid Systems & Cards */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.35rem;
}

.card {
  background-color: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.card-warm {
  background-color: var(--warm-white);
}

.card-dark {
  background-color: var(--carbon-elevated);
  border: 1px solid rgba(142, 167, 178, 0.3);
  color: var(--warm-white);
}

.card-top-green {
  border-top: 4px solid var(--valor-green);
}

.card-top-navy {
  border-top: 4px solid var(--admiralty-navy);
}

.card-top-gold {
  border-top: 4px solid var(--burnished-gold);
}

.pillar-icon-wrap {
  width: 96px;
  height: 96px;
  margin-bottom: 1.15rem;
}
.pillar-icon-wrap img {
  width: 100%;
  height: 100%;
  display: block;
}

/* 8-Pillar Valor Protocol Filter & Cards */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.filter-btn {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  color: var(--carbon-ink);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--carbon-ink);
  color: var(--valor-green);
  border-color: var(--carbon-ink);
}

.protocol-card {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-left: 5px solid var(--admiralty-navy);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.protocol-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-left-color: var(--valor-green);
}

.protocol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.protocol-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--carbon-ink);
  color: var(--valor-green);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.protocol-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--admiralty-navy);
  background: rgba(142, 167, 178, 0.18);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Telemetry & Governance Tables */
.table-responsive {
  overflow-x: auto;
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-md);
  background: var(--lab-white);
  box-shadow: var(--shadow-subtle);
}

.telemetry-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.96rem;
}

.telemetry-table thead {
  background-color: var(--carbon-ink);
  color: var(--warm-white);
}

.telemetry-table th {
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1rem 1.15rem;
  border-bottom: 3px solid var(--valor-green);
}

.telemetry-table td {
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--alloy-light);
  vertical-align: top;
}

.telemetry-table tbody tr:nth-child(even) {
  background-color: rgba(247, 245, 239, 0.55);
}

.telemetry-table tbody tr:hover {
  background-color: rgba(169, 207, 25, 0.08);
}

.mono-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--warm-white);
  border: 1px solid var(--alloy-silver);
  color: var(--admiralty-navy);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

/* Primary Conditions Matrix */
.conditions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.condition-item {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.condition-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--mineral-dark);
}

.condition-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--carbon-ink);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Compliance & Legal Callout Boxes */
.compliance-notice {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-left: 5px solid var(--burnished-gold);
  border-radius: var(--radius-sm);
  padding: 1.35rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.no-phi-warning {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-left: 6px solid var(--danger-border);
  color: var(--danger-text);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.no-phi-warning strong {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

/* Forms */
.form-card {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-top: 5px solid var(--admiralty-navy);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--carbon-ink);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--carbon-ink);
  background: var(--warm-white);
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-sm);
}
.form-control:focus {
  background: var(--lab-white);
  border-color: var(--admiralty-navy);
  outline: 2px solid rgba(29, 53, 87, 0.25);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--warm-white);
  border: 1px solid var(--alloy-silver);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.2rem;
  accent-color: var(--admiralty-navy);
  flex-shrink: 0;
}

.form-result-box {
  display: none;
  background: #F0F7E6;
  border: 2px solid var(--valor-green);
  color: var(--carbon-ink);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 1.5rem;
}

/* Accordion FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.faq-item {
  background: var(--lab-white);
  border: 1px solid var(--alloy-silver);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 1.15rem 1.35rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--carbon-ink);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--admiralty-navy);
}
.faq-item[open] summary {
  background: var(--warm-white);
  border-bottom: 1px solid var(--alloy-silver);
  color: var(--admiralty-navy);
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-body {
  padding: 1.25rem 1.35rem;
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  background-color: var(--carbon-ink);
  color: var(--alloy-light);
  border-top: 6px solid var(--valor-green);
  padding: 4rem 0 2.5rem;
  font-size: 0.94rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.25rem;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid rgba(188, 197, 193, 0.2);
}

.footer-logo {
  height: 56px;
  width: auto;
  margin-bottom: 1rem;
  display: block;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--valor-green);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a {
  color: var(--alloy-light);
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-links a:hover {
  color: var(--valor-green);
}

.footer-disclosures {
  margin-top: 2.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--alloy-silver);
}

.disclosure-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(188, 197, 193, 0.16);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
}
.disclosure-box strong {
  color: var(--warm-white);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.35rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(188, 197, 193, 0.15);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--mineral-blue);
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-badges {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .mobile-menu-btn {
    display: inline-flex;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--lab-white);
    border-bottom: 2px solid var(--admiralty-navy);
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
  }
  .main-nav.open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.75rem;
  }
  .grid-2, .grid-3, .grid-4, .form-grid, .footer-grid, .footer-disclosures {
    grid-template-columns: 1fr;
  }
  .hero-badges {
    grid-template-columns: 1fr;
  }
  .brand-lockup img {
    height: 46px;
  }
}