/* ==========================================================================
   Buddybeaconvaultbx — Dark Glassmorphism Design System
   Aesthetic: Dark glassmorphism (dark ground, frosted panels, neon accents)
   Card Style: Data grid (stats block built into card header)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-core: #0a0e14;
  --bg-surface: #101620;
  --bg-surface-frosted: rgba(16, 22, 32, 0.72);
  --bg-card: rgba(20, 29, 44, 0.65);
  --bg-accent-layer: #0e131b;
  
  --border-glass: rgba(0, 240, 255, 0.2);
  --border-glass-subtle: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(0, 240, 255, 0.45);

  --accent-cyan: #00f0ff;
  --accent-emerald: #00e599;
  --accent-neon-glow: 0 0 16px rgba(0, 240, 255, 0.25);
  --accent-amber: #f59e0b;
  --accent-crimson: #ff3366;

  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Spacing Scale: 4, 8, 16, 24, 40, 64px */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-40: 40px;
  --sp-64: 64px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-core);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-core);
  color: var(--text-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(0, 229, 153, 0.03) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Text Wrapping Guard */
h1, h2, h3, h4, h5, h6, nav, .brand-text, .brand-logo, a, p, span {
  overflow-wrap: anywhere;
}

/* Container & Flex/Grid Child shrink safety */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-24);
  padding-right: var(--sp-24);
}

.grid-columns-four, .cards-grid, .spec-callout-grid, .pros-cons-grid, .contact-layout {
  min-width: 0;
}

/* Accessibility Focus Visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* Header Specification: 56-64px desktop, 48-52px mobile. Not sticky */
.site-header {
  height: 64px;
  background-color: var(--bg-surface-frosted);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  position: relative;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  min-width: 0;
}

.brand-mark {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

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

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--sp-24);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s ease;
  padding: var(--sp-8) 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.header-action {
  display: flex;
  align-items: center;
}

/* Nav Toggle (Mobile Hamburger) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text-primary);
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff, #00b4d8);
  color: #061018;
  border: none;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #33f3ff, #00f0ff);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background-color: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
}

.btn-compact {
  padding: 6px 14px;
  font-size: 0.82rem;
  background: rgba(0, 240, 255, 0.08);
  color: var(--accent-cyan);
  border: 1px solid var(--border-glass);
}

.btn-compact:hover {
  background: rgba(0, 240, 255, 0.2);
  color: #ffffff;
}

.btn-card {
  width: 100%;
  padding: 8px 16px;
  font-size: 0.85rem;
  background-color: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: var(--font-mono);
}

.btn-card:hover {
  background-color: var(--accent-cyan);
  color: #0a0e14;
  font-weight: 700;
}

/* Hero Section */
.hero-section {
  padding: var(--sp-64) 0;
  border-bottom: 1px solid var(--border-glass-subtle);
  background: radial-gradient(circle at 50% 30%, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
}

.hero-container {
  max-width: 960px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: var(--sp-4) var(--sp-16);
  background-color: rgba(0, 229, 153, 0.1);
  border: 1px solid rgba(0, 229, 153, 0.3);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 99px;
  margin-bottom: var(--sp-16);
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: var(--sp-24);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-40);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-16);
  flex-wrap: wrap;
  margin-bottom: var(--sp-40);
}

/* Hero & Section Visual Image Container */
.hero-visual-frame {
  margin-top: var(--sp-24);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), var(--accent-neon-glow);
  background-color: var(--bg-surface);
}

.hero-visual-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Technical Image Figures within Articles */
.tech-figure {
  margin: var(--sp-40) 0;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: rgba(10, 14, 20, 0.9);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

.tech-image {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border-glass-subtle);
}

.tech-figcaption {
  padding: var(--sp-12, 12px) var(--sp-16);
  background-color: rgba(16, 22, 32, 0.95);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.tech-figcaption strong {
  color: var(--accent-cyan);
}

/* Descriptive image classes */
.tactical-architecture-diagram {
  max-height: 480px;
  object-fit: cover;
}

.covert-pinhole-lens-diagram {
  max-height: 420px;
  object-fit: contain;
}

.rf-burst-transmitter-diagram {
  max-height: 420px;
  object-fit: contain;
}

.nljd-harmonic-spectrogram-diagram {
  max-height: 420px;
  object-fit: contain;
}

.gps-telemetry-architecture-diagram {
  max-height: 420px;
  object-fit: contain;
}

.encrypted-voice-pipeline-diagram {
  max-height: 420px;
  object-fit: contain;
}

/* Sections */
.section-padding {
  padding: var(--sp-64) 0;
}

.bg-accent-layer {
  background-color: var(--bg-accent-layer);
  border-top: 1px solid var(--border-glass-subtle);
  border-bottom: 1px solid var(--border-glass-subtle);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--sp-64) auto;
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-8);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--sp-16);
  line-height: 1.25;
}

.section-description {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

/* ==========================================================================
   CARD STYLE: DATA GRID
   A stats block built into the card header.
   Minimum 24px between distinct elements inside a card.
   12px between a statistic and its label.
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--sp-24);
}

.data-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.data-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--accent-neon-glow);
}

/* Card Header: Stats Data Grid */
.card-data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background-color: rgba(6, 10, 16, 0.85);
  border-bottom: 1px solid var(--border-glass-subtle);
}

.data-stat {
  padding: var(--sp-16);
  border-right: 1px solid var(--border-glass-subtle);
  border-bottom: 1px solid var(--border-glass-subtle);
  display: flex;
  flex-direction: column;
}

.data-stat:nth-child(2n) {
  border-right: none;
}

.data-stat:nth-last-child(-n+2) {
  border-bottom: none;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1.2;
  margin-bottom: 12px; /* strict rule: 12px between stat and label */
}

.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* Card Body */
.card-content {
  padding: var(--sp-24);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-24); /* 24px between distinct elements */
}

.card-title {
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: var(--sp-24); /* 24px between distinct elements */
}

.card-summary {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: var(--sp-24); /* 24px between distinct elements */
  flex-grow: 1;
}

.card-footer-action {
  margin-top: auto;
}

/* Doctrine Section (Supporting) */
.grid-columns-four {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-24);
}

.doctrine-card {
  background-color: var(--bg-surface-frosted);
  border: 1px solid var(--border-glass-subtle);
  border-radius: var(--radius-md);
  padding: var(--sp-24);
}

.doctrine-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(0, 240, 255, 0.3);
  line-height: 1;
  margin-bottom: var(--sp-16);
}

.doctrine-title {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: var(--sp-16);
  font-weight: 600;
}

.doctrine-body {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* Article Template Styles */
.article-wrapper {
  padding: var(--sp-64) 0;
}

.article-header {
  border-bottom: 1px solid var(--border-glass-subtle);
  padding-bottom: var(--sp-40);
  margin-bottom: var(--sp-40);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-16);
}

.breadcrumb a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: var(--sp-16);
  font-weight: 800;
}

.article-meta {
  display: flex;
  gap: var(--sp-24);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.article-body {
  max-width: 860px;
}

.lead-text {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: var(--sp-40);
  border-left: 3px solid var(--accent-cyan);
  padding-left: var(--sp-16);
}

.article-body h2 {
  font-size: 1.5rem;
  color: #ffffff;
  margin-top: var(--sp-40);
  margin-bottom: var(--sp-16);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-glass-subtle);
}

.article-body h3 {
  font-size: 1.2rem;
  color: #ffffff;
  margin-top: var(--sp-24);
  margin-bottom: var(--sp-8);
}

.article-body p {
  color: var(--text-secondary);
  margin-bottom: var(--sp-24);
  line-height: 1.7;
  font-size: 0.98rem;
}

.article-body ul, .article-body ol {
  color: var(--text-secondary);
  margin-bottom: var(--sp-24);
  padding-left: var(--sp-24);
}

.article-body li {
  margin-bottom: var(--sp-8);
  line-height: 1.6;
}

.article-body strong {
  color: #ffffff;
}

.article-body code, pre code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

pre {
  margin-bottom: var(--sp-24);
  padding: var(--sp-16);
  background-color: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glass-subtle);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

/* Spec Callout Grid */
.spec-callout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-16);
  background-color: rgba(0, 240, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--sp-24);
  margin-bottom: var(--sp-40);
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}

.spec-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin-bottom: var(--sp-40);
  border: 1px solid var(--border-glass-subtle);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: rgba(16, 22, 32, 0.95);
  color: #ffffff;
  padding: var(--sp-16);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-glass);
}

.data-table td {
  padding: var(--sp-16);
  border-bottom: 1px solid var(--border-glass-subtle);
  color: var(--text-secondary);
}

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

.data-table tr:hover td {
  background-color: rgba(0, 240, 255, 0.02);
}

/* Pros & Cons Grid */
.pros-cons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-24);
  margin-bottom: var(--sp-40);
}

.pro-panel, .con-panel {
  padding: var(--sp-24);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-frosted);
}

.pro-panel {
  border: 1px solid rgba(0, 229, 153, 0.3);
}

.con-panel {
  border: 1px solid rgba(255, 51, 102, 0.3);
}

.pro-panel h3 {
  color: var(--accent-emerald);
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: var(--sp-16);
}

.con-panel h3 {
  color: var(--accent-crimson);
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: var(--sp-16);
}

/* Contact Page Styles */
.page-title-section {
  padding: var(--sp-40) 0;
  border-bottom: 1px solid var(--border-glass-subtle);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-40);
}

.contact-form-panel, .contact-info-panel {
  background-color: var(--bg-surface-frosted);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--sp-40);
}

.panel-heading {
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: var(--sp-8);
  font-weight: 700;
}

.panel-subtext {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--sp-24);
}

.form-group {
  margin-bottom: var(--sp-24);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-8);
}

.required-star {
  color: var(--accent-cyan);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: rgba(6, 10, 16, 0.85);
  border: 1px solid var(--border-glass-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
  outline: none;
}

.form-input.is-invalid, .form-select.is-invalid, .form-textarea.is-invalid {
  border-color: var(--accent-crimson);
}

.error-msg {
  display: none;
  font-size: 0.78rem;
  color: var(--accent-crimson);
  margin-top: var(--sp-4);
}

.error-msg.is-visible {
  display: block;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-8);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label a {
  color: var(--accent-cyan);
  text-decoration: underline;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  margin-top: var(--sp-8);
}

.form-status {
  margin-top: var(--sp-16);
  padding: var(--sp-16);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.form-status[hidden] {
  display: none;
}

.form-status.is-success {
  background-color: rgba(0, 229, 153, 0.15);
  border: 1px solid var(--accent-emerald);
  color: #ffffff;
}

/* Contact Info HQ */
.hq-card {
  margin-bottom: var(--sp-24);
}

.hq-title {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: var(--sp-4);
}

.hq-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: var(--sp-16);
}

.hq-address {
  font-style: normal;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-16);
}

.hq-contact-details p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-8);
}

.hq-contact-details code {
  color: var(--accent-emerald);
  background-color: rgba(0, 0, 0, 0.4);
}

.hq-contact-details a {
  color: var(--accent-cyan);
  text-decoration: none;
}

/* Static Map Block */
.static-map-wrapper {
  position: relative;
  height: 220px;
  background-color: #06090e;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-24);
  overflow: hidden;
}

.map-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.map-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.map-radar-ring {
  width: 140px;
  height: 140px;
  border: 1px dashed rgba(0, 240, 255, 0.3);
  border-radius: 50%;
  position: absolute;
}

.map-pin {
  position: relative;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-16);
}

.pin-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.pin-pulse {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  animation: radar-pulse 2s infinite ease-out;
}

@keyframes radar-pulse {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.map-data-tag {
  background-color: rgba(6, 10, 16, 0.9);
  border: 1px solid var(--border-glass);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-family: var(--font-mono);
}

.tag-title {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
}

.tag-coords {
  display: block;
  font-size: 0.68rem;
  color: var(--accent-cyan);
}

.security-advisory-box {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--sp-16);
}

.advisory-title {
  font-size: 0.85rem;
  color: var(--accent-amber);
  margin-bottom: var(--sp-4);
  font-weight: 700;
}

.advisory-body {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Footer: Identical on every page */
.site-footer {
  background-color: #06090e;
  border-top: 1px solid var(--border-glass-subtle);
  margin-top: auto;
  padding-top: var(--sp-64);
}

.footer-container {
  padding-bottom: var(--sp-40);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-40);
  margin-bottom: var(--sp-40);
}

.footer-logo {
  margin-bottom: var(--sp-16);
}

.footer-company-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-email {
  color: var(--accent-cyan);
  text-decoration: none;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-16);
}

.footer-link-list {
  list-style: none;
}

.footer-link-list li {
  margin-bottom: var(--sp-8);
}

.footer-link-list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-link-list a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-glass-subtle);
  padding-top: var(--sp-24);
  text-align: center;
}

.copyright-line {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Cookie Banner: Fixed bottom */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background-color: rgba(6, 10, 16, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-glass);
  padding: var(--sp-16) 0;
  box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.7);
  display: block;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-24);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1 1 300px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.cookie-text strong {
  color: #ffffff;
}

.cookie-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.btn-cookie {
  background-color: var(--accent-cyan);
  color: #061018;
  border: none;
  font-weight: 700;
}

.btn-cookie:hover {
  background-color: #33f3ff;
}

.btn-cookie-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass-subtle);
}

.btn-cookie-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.btn-cookie-outline {
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-glass-subtle);
}

.btn-cookie-outline:hover {
  color: var(--text-primary);
  border-color: var(--border-glass);
}

/* ==========================================================================
   RESPONSIVENESS & BREAKPOINTS
   Strictly handles down to 320px with sub-400px breakpoint.
   ========================================================================== */

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--sp-24);
  }
}

@media (max-width: 768px) {
  /* Header height on mobile: 48-52px */
  .site-header {
    height: 52px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-action {
    display: none;
  }

  /* Hamburger Overlay with no layout shift */
  .primary-nav {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(6, 10, 16, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-40) var(--sp-24);
    display: none;
    overflow-y: auto;
  }

  .primary-nav.is-visible {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-16);
    width: 100%;
  }

  .nav-link {
    font-size: 1.15rem;
    display: block;
    width: 100%;
    padding: var(--sp-8) 0;
    border-bottom: 1px solid var(--border-glass-subtle);
  }

  .contact-form-panel, .contact-info-panel {
    padding: var(--sp-24);
  }
}

/* Breakpoint below 400px (e.g., 380px / 360px / 320px) */
@media (max-width: 380px) {
  .container {
    padding-left: var(--sp-16);
    padding-right: var(--sp-16);
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .card-data-grid {
    grid-template-columns: 1fr;
  }

  .data-stat {
    border-right: none;
  }

  .data-stat:not(:last-child) {
    border-bottom: 1px solid var(--border-glass-subtle);
  }

  .cookie-inner {
    padding: 0 var(--sp-16);
  }

  .btn-cookie, .btn-cookie-secondary, .btn-cookie-outline {
    width: 100%;
  }
}

/* Motion Accessibility: Disables transitions/animations only */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}