/* =====================================================================
   NORTH ATLANTIC FIELD ATLAS — CORE DESIGN SYSTEM
   Theme: Basalt rock + Cold ocean + Sea glass + Lichen + Dark glassmorphism
   Aesthetic: Dark Glassmorphism | Card Style: Horizontal Split
   ===================================================================== */

:root {
  /* Surface & Base */
  --c-basalt: #070D12;
  --c-atlantic-night: #0B151B;
  --c-deep-ocean: #10232B;
  --c-storm-slate: #1B3037;
  --c-graphite-blue: #263D44;
  --c-wet-rock: #34474B;

  /* Accents */
  --c-sea-glass: #7FC7C2;
  --c-arctic-teal: #56B7B3;
  --c-glacial-cyan: #8AD8D5;
  --c-cold-horizon: #83AEB8;
  --c-frost-blue: #B9D4D8;
  --c-lichen-green: #879B70;
  --c-moss-signal: #A8B58A;
  --c-storm-violet: #777C9B;
  --c-polar-lavender: #9A9DB8;

  /* Text & Readability */
  --c-text-primary: #F5F8F6;
  --c-text-secondary: #C2D0D0;
  --c-text-muted: #94A7A8;
  --c-shell-white: #EEF5F3;

  /* Glass surfaces */
  --glass-bg: rgba(11, 21, 27, 0.78);
  --glass-bg-card: rgba(16, 35, 43, 0.72);
  --glass-border: rgba(127, 199, 194, 0.16);
  --glass-border-focus: rgba(138, 216, 213, 0.45);
  --glass-glow: rgba(86, 183, 179, 0.08);

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

  /* Layout */
  --site-max-width: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --trans-default: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--c-basalt);
  color: var(--c-text-primary);
  scroll-behavior: smooth;
  min-width: 0;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: 
    radial-gradient(ellipse at 80% 0%, rgba(27, 48, 55, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 100%, rgba(16, 35, 43, 0.6) 0%, transparent 50%),
    var(--c-basalt);
  color: var(--c-text-primary);
  overflow-x: hidden;
  min-width: 0;
}

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

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

/* Container */
.atlas-container {
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-24);
  padding-right: var(--sp-24);
  min-width: 0;
}

/* Glass Panels */
.glass-panel {
  background: var(--glass-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px 0 rgba(7, 13, 18, 0.45);
}

/* Typography Presets */
h1, h2, h3, h4 {
  color: var(--c-text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  color: var(--c-text-secondary);
  line-height: 1.6;
}

.meta-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-sea-glass);
  margin-bottom: var(--sp-8);
}

/* -------------------------------------------------------------
   HEADER & NAVIGATION (Non-sticky desktop 56–64px)
   ------------------------------------------------------------- */
.atlas-header {
  position: relative;
  z-index: 100;
  background: rgba(7, 13, 18, 0.95);
  border-bottom: 1px solid var(--glass-border);
  height: 64px;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  text-decoration: none;
  color: var(--c-text-primary);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.brand-glyph {
  flex-shrink: 0;
}

.brand-text {
  color: var(--c-shell-white);
  transition: color var(--trans-default);
}

.brand-link:hover .brand-text {
  color: var(--c-glacial-cyan);
}

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

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--sp-8);
}

.nav-link {
  display: block;
  padding: 6px 12px;
  color: var(--c-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--trans-default);
}

.nav-link:hover {
  color: var(--c-text-primary);
  background: rgba(86, 183, 179, 0.12);
}

.nav-link[aria-current="page"] {
  color: var(--c-glacial-cyan);
  background: rgba(86, 183, 179, 0.16);
  border-bottom: 2px solid var(--c-arctic-teal);
}

.btn-nav-contact {
  display: inline-block;
  padding: 6px 14px;
  background: var(--c-arctic-teal);
  color: var(--c-basalt);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin-left: var(--sp-8);
  transition: background var(--trans-default);
  white-space: nowrap;
}

.btn-nav-contact:hover {
  background: var(--c-glacial-cyan);
}

.btn-nav-contact[aria-current="page"] {
  background: var(--c-glacial-cyan);
  box-shadow: 0 0 10px rgba(138, 216, 213, 0.5);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--glass-border);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-shell-white);
  transition: transform var(--trans-default), opacity var(--trans-default);
}

/* -------------------------------------------------------------
   BUTTON SYSTEM
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--trans-default);
  border: 1px solid transparent;
  line-height: 1.3;
}

.btn-primary {
  background: var(--c-arctic-teal);
  color: var(--c-basalt);
}

.btn-primary:hover {
  background: var(--c-glacial-cyan);
  box-shadow: 0 4px 16px rgba(86, 183, 179, 0.35);
}

.btn-secondary {
  background: rgba(38, 61, 68, 0.8);
  color: var(--c-text-primary);
  border-color: var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(52, 71, 75, 0.9);
  border-color: var(--c-cold-horizon);
}

.btn-outline {
  background: transparent;
  color: var(--c-sea-glass);
  border-color: var(--c-arctic-teal);
}

.btn-outline:hover {
  background: rgba(86, 183, 179, 0.15);
  color: var(--c-glacial-cyan);
  border-color: var(--c-glacial-cyan);
}

.btn-full {
  width: 100%;
}

/* -------------------------------------------------------------
   HERO SECTION: TEXT + CTA | VISUAL (HARD SEPARATION)
   ------------------------------------------------------------- */
.hero-section {
  padding: var(--sp-40) 0 var(--sp-64);
  border-bottom: 1px solid var(--glass-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: var(--sp-32, 32px);
  align-items: stretch;
}

.hero-content-panel {
  padding: var(--sp-40);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.status-marker {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  margin-bottom: var(--sp-16);
}

.coord-label {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--c-cold-horizon);
  letter-spacing: 0.05em;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: rgba(135, 155, 112, 0.2);
  color: var(--c-moss-signal);
  border: 1px solid var(--c-lichen-green);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: var(--sp-16);
  color: var(--c-shell-white);
}

.hero-summary {
  font-size: 1.05rem;
  margin-bottom: var(--sp-24);
  color: var(--c-text-secondary);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-16);
  margin-bottom: var(--sp-40);
}

.hero-telemetry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-16);
  padding-top: var(--sp-24);
  border-top: 1px solid var(--glass-border);
}

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

.telemetry-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.telemetry-value {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-cold-horizon);
  overflow-wrap: anywhere;
}

.hero-visual-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--c-atlantic-night);
  min-height: 420px;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* -------------------------------------------------------------
   SECTIONS & OPERATIONAL SEQUENCE
   ------------------------------------------------------------- */
.section {
  padding: var(--sp-64) 0;
}

.section-intro {
  margin-bottom: var(--sp-40);
}

.section-heading {
  font-size: 2rem;
  margin-bottom: var(--sp-8);
  color: var(--c-shell-white);
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--c-text-secondary);
  max-width: 720px;
}

.sequence-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-16);
}

.seq-card {
  padding: var(--sp-24);
  display: flex;
  flex-direction: column;
  position: relative;
  border-top: 2px solid var(--c-arctic-teal);
}

.seq-num {
  font-family: monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-sea-glass);
  margin-bottom: var(--sp-8);
}

.seq-step-title {
  font-size: 1.05rem;
  margin-bottom: var(--sp-8);
  color: var(--c-shell-white);
}

.seq-desc {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--c-text-muted);
}

/* -------------------------------------------------------------
   HORIZONTAL SPLIT CARDS (HARD IMAGE | 24-40px GAP | CONTENT)
   ------------------------------------------------------------- */
.split-cards-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-40);
}

.split-card {
  display: grid;
  grid-template-columns: 46% 54%;
  gap: 32px;
  overflow: hidden;
  padding: var(--sp-24);
  align-items: stretch;
}

.split-card-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--c-atlantic-night);
  border: 1px solid rgba(127, 199, 194, 0.1);
  min-height: 280px;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.split-card:hover .card-img {
  transform: scale(1.02);
}

.split-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.card-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-sea-glass);
  margin-bottom: var(--sp-8);
}

.card-title {
  font-size: 1.5rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-16);
}

.card-summary {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--sp-16);
  color: var(--c-text-secondary);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  margin-bottom: var(--sp-24);
}

.data-tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(38, 61, 68, 0.6);
  color: var(--c-frost-blue);
  border: 1px solid rgba(131, 174, 184, 0.25);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

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

/* -------------------------------------------------------------
   HABITAT DATA SUMMARY
   ------------------------------------------------------------- */
.data-panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-24);
}

.data-box {
  padding: var(--sp-24);
}

.box-stat {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--c-arctic-teal);
  line-height: 1.1;
  margin-bottom: var(--sp-8);
  font-family: monospace;
}

.box-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-8);
}

.box-text {
  font-size: 0.9rem;
  color: var(--c-text-muted);
}

/* -------------------------------------------------------------
   TOPIC PAGE HEADER BAND & ARTICLE LAYOUT
   ------------------------------------------------------------- */
.topic-header-band {
  padding: var(--sp-40) 0;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(11, 21, 27, 0.6);
}

.page-title {
  font-size: 2.5rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-8);
}

.page-subheading {
  font-size: 1.15rem;
  color: var(--c-cold-horizon);
  max-width: 820px;
}

.article-layout {
  display: grid;
  grid-template-columns: 68% 32%;
  gap: 32px;
  align-items: start;
}

.content-body {
  padding: var(--sp-40);
}

.content-body h2 {
  font-size: 1.4rem;
  color: var(--c-shell-white);
  margin-top: var(--sp-40);
  margin-bottom: var(--sp-16);
  border-bottom: 1px solid rgba(127, 199, 194, 0.15);
  padding-bottom: var(--sp-8);
}

.content-body h2:first-of-type {
  margin-top: 0;
}

.content-body p {
  font-size: 1rem;
  margin-bottom: var(--sp-16);
}

.data-list {
  list-style: square;
  padding-left: var(--sp-24);
  margin-bottom: var(--sp-24);
  color: var(--c-text-secondary);
}

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

.data-list strong {
  color: var(--c-shell-white);
}

.info-block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  margin: var(--sp-40) 0;
}

.info-box {
  background: rgba(7, 13, 18, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-16);
}

.info-box-title {
  font-size: 0.95rem;
  color: var(--c-sea-glass);
  margin-bottom: var(--sp-8);
}

.info-box p {
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 0;
}

.related-nav-block {
  margin-top: var(--sp-40);
  padding-top: var(--sp-24);
  border-top: 1px solid var(--glass-border);
}

.related-nav-block h3 {
  font-size: 1.1rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-16);
}

.link-chip-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.chip-link {
  display: inline-block;
  padding: 10px 16px;
  background: rgba(27, 48, 55, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--c-frost-blue);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--trans-default);
}

.chip-link:hover {
  background: rgba(38, 61, 68, 0.8);
  color: var(--c-glacial-cyan);
  border-color: var(--c-sea-glass);
}

/* Sidebar Widgets */
.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}

.sidebar-widget {
  padding: var(--sp-24);
}

.widget-subtitle {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-sea-glass);
  display: block;
  margin-bottom: var(--sp-4);
}

.widget-title {
  font-size: 1.2rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-16);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-8) 0;
  border-bottom: 1px solid rgba(127, 199, 194, 0.1);
  font-size: 0.85rem;
}

.metric-row:last-of-type {
  border-bottom: none;
  margin-bottom: var(--sp-16);
}

.m-label {
  color: var(--c-text-muted);
}

.m-val {
  font-weight: 600;
  color: var(--c-frost-blue);
}

/* -------------------------------------------------------------
   TABLES (Cookie Policy & Data Specs)
   ------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  margin: var(--sp-24) 0;
}

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

.atlas-data-table th,
.atlas-data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.atlas-data-table th {
  background: rgba(16, 35, 43, 0.8);
  color: var(--c-sea-glass);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.atlas-data-table td {
  color: var(--c-text-secondary);
}

/* -------------------------------------------------------------
   CONTACT PAGE & FORMS
   ------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 32px;
  align-items: start;
}

.contact-form-panel {
  padding: var(--sp-40);
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: var(--sp-8);
  color: var(--c-shell-white);
}

.form-intro {
  font-size: 0.95rem;
  margin-bottom: var(--sp-24);
}

.atlas-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
}

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

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-8);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(7, 13, 18, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--c-text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--trans-default);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--c-glacial-cyan);
  background: rgba(11, 21, 27, 0.9);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #E57373;
}

.form-error-msg {
  font-size: 0.75rem;
  color: #FF8A80;
  margin-top: var(--sp-4);
  min-height: 1rem;
}

.form-feedback-box {
  margin-top: var(--sp-24);
  padding: var(--sp-16);
  border-radius: var(--radius-sm);
}

.form-feedback-box .feedback-title {
  font-size: 1.05rem;
  margin-bottom: var(--sp-4);
}

.form-feedback-box p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

.success-box {
  background: rgba(135, 155, 112, 0.2);
  border: 1px solid var(--c-lichen-green);
}

.success-box .feedback-title {
  color: var(--c-moss-signal);
}

.error-box {
  background: rgba(180, 50, 50, 0.2);
  border: 1px solid #E57373;
}

.error-box .feedback-title {
  color: #FF8A80;
}

.contact-details-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}

.detail-box {
  padding: var(--sp-24);
}

.office-data-block {
  margin-top: var(--sp-16);
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
}

.data-point {
  font-size: 0.9rem;
  line-height: 1.5;
}

.data-point strong {
  color: var(--c-sea-glass);
}

.contact-inline-link {
  color: var(--c-arctic-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-inline-link:hover {
  color: var(--c-glacial-cyan);
}

.map-placeholder-box {
  padding: var(--sp-24);
}

.map-box-title {
  font-size: 1rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-16);
}

.static-map-graphic {
  width: 100%;
  height: 160px;
  background: 
    linear-gradient(rgba(127, 199, 194, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 199, 194, 0.08) 1px, transparent 1px),
    var(--c-atlantic-night);
  background-size: 20px 20px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-crosshair {
  width: 12px;
  height: 12px;
  border: 2px solid var(--c-arctic-teal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--c-arctic-teal);
}

.grid-label {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-family: monospace;
  font-size: 0.65rem;
  color: var(--c-cold-horizon);
  letter-spacing: 0.05em;
}

.map-caption {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-top: var(--sp-8);
}

/* -------------------------------------------------------------
   FOOTER (Identical on every page & Exact Domain Audit)
   ------------------------------------------------------------- */
.atlas-footer {
  margin-top: auto;
  background: var(--c-basalt);
  border-top: 1px solid var(--glass-border);
  padding: var(--sp-64) 0 var(--sp-40);
}

.footer-layout {
  display: grid;
  grid-template-columns: 45% 25% 30%;
  gap: var(--sp-40);
  margin-bottom: var(--sp-40);
}

.footer-domain-link {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-arctic-teal);
  text-decoration: none;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-16);
  transition: color var(--trans-default);
  overflow-wrap: anywhere;
}

.footer-domain-link:hover,
.footer-domain-link:focus-visible {
  color: var(--c-glacial-cyan);
  text-decoration: underline;
}

.footer-summary {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  margin-bottom: var(--sp-16);
}

.footer-company-meta {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}

.footer-company-meta strong {
  color: var(--c-cold-horizon);
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-16);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.footer-nav a {
  color: var(--c-text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--trans-default);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--c-glacial-cyan);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--sp-24);
  border-top: 1px solid rgba(127, 199, 194, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.copyright-notice {
  font-size: 0.78rem;
  color: var(--c-text-muted);
}

.footer-return a {
  font-size: 0.82rem;
  color: var(--c-sea-glass);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.footer-return a:hover {
  color: var(--c-glacial-cyan);
}

/* -------------------------------------------------------------
   COOKIE BANNER (Fixed Bottom, Dark Glassmorphism)
   ------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(7, 13, 18, 0.96);
  border-top: 1px solid var(--c-arctic-teal);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
  padding: var(--sp-16) 0;
}

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-24);
}

.cookie-text {
  min-width: 0;
}

.cookie-title {
  font-size: 0.9rem;
  color: var(--c-shell-white);
  margin-bottom: var(--sp-4);
}

.cookie-desc {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

.cookie-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  flex-shrink: 0;
}

.btn-cookie {
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--c-arctic-teal);
  color: var(--c-basalt);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--trans-default);
  white-space: nowrap;
}

.btn-cookie:hover {
  background: var(--c-glacial-cyan);
}

.btn-cookie-alt {
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--c-storm-slate);
  color: var(--c-shell-white);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--trans-default);
  white-space: nowrap;
}

.btn-cookie-alt:hover {
  background: var(--c-graphite-blue);
}

.btn-cookie-subtle {
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  background: transparent;
  color: var(--c-cold-horizon);
  border: 1px solid transparent;
  cursor: pointer;
  transition: color var(--trans-default);
}

.btn-cookie-subtle:hover {
  color: var(--c-glacial-cyan);
}

/* -------------------------------------------------------------
   RESPONSIVE DESIGN BREAKPOINTS
   Explicit testing: 1024px, 768px, 400px, 375px, 320px
   ------------------------------------------------------------- */

/* Tablet & Smaller Desktops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-24);
  }

  .hero-visual-frame {
    min-height: 320px;
  }

  .sequence-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .split-card {
    grid-template-columns: 42% 58%;
    gap: var(--sp-24);
  }

  .article-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile & Small Tablets (<= 768px) */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(7, 13, 18, 0.98);
    border-bottom: 2px solid var(--c-arctic-teal);
    padding: var(--sp-24);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.8);
  }

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

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

  .nav-link {
    font-size: 1.05rem;
    padding: 8px 0;
    width: 100%;
  }

  .btn-nav-contact {
    margin-left: 0;
    margin-top: var(--sp-8);
    width: 100%;
    text-align: center;
  }

  /* Split Cards Automatic Vertical Stacking: IMAGE -> GAP -> CONTENT */
  .split-card {
    grid-template-columns: 1fr;
    gap: var(--sp-24);
    padding: var(--sp-16);
  }

  .split-card-media {
    min-height: 220px;
    height: 220px;
  }

  .sequence-grid {
    grid-template-columns: 1fr;
  }

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

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-16);
  }

  .cookie-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .btn-cookie,
  .btn-cookie-alt {
    flex: 1;
    text-align: center;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-32, 32px);
  }

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

  .info-block-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.85rem;
  }
}

/* Compact Mobile (<= 400px & 320px) */
@media (max-width: 400px) {
  .atlas-container {
    padding-left: var(--sp-16);
    padding-right: var(--sp-16);
  }

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

  .hero-content-panel {
    padding: var(--sp-24) var(--sp-16);
  }

  .hero-telemetry {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .card-title {
    font-size: 1.25rem;
  }

  .split-card-media {
    height: 180px;
    min-height: 180px;
  }

  .cookie-actions {
    flex-direction: column;
    width: 100%;
  }

  .cookie-actions button {
    width: 100%;
  }
}

/* Reduced Motion Mode */
@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;
  }
}