/* ==========================================================================
   ICELANDIC WATERFALL ATLAS DESIGN SYSTEM
   Dark Glassmorphism // Water -> Rock -> Route -> Weather -> Viewpoint
   winkscrewcottage.courses (2026)
   ========================================================================== */

/* 1. COLOR VARIABLES & DESIGN TOKENS */
:root {
  /* Volcanic / Dark Surfaces */
  --c-obsidian-coast: #071014;
  --c-basalt-night:   #0C171B;
  --c-volcanic-black: #111C20;
  --c-dark-lava:      #182327;
  --c-storm-rock:     #243237;
  --c-wet-basalt:     #2C393C;

  /* Ice / Water Lights */
  --c-glacial-mist:   #DCE9E8;
  --c-ice-fog:        #C9DBDB;
  --c-water-glass:    #B5CFD0;
  --c-snow-haze:      #E8F0EE;
  --c-frost-white:    #F2F6F4;

  /* Primary Accents */
  --c-glacier-cyan:   #63D2D5;
  --c-waterfall-blue: #55AFC2;
  --c-ice-blue:       #83C9D5;
  --c-deep-fjord:     #356D79;
  --c-moss-green:     #71856D;
  --c-lichen-green:   #9BAA86;
  --c-signal-amber:   #D0A55A;
  --c-alert-crimson:  #E05252;

  /* Typography Colors */
  --c-text-arctic:    #F2F7F5;
  --c-text-ice:       #D0DEDD;
  --c-text-mist:      #A8B9B8;
  --c-text-muted:     #82918F;
  --c-deep-ink:       #081316;

  /* Glass Panels & Elevation */
  --glass-bg:         rgba(17, 28, 32, 0.72);
  --glass-bg-subtle:  rgba(24, 35, 39, 0.60);
  --glass-border:     rgba(99, 210, 213, 0.16);
  --glass-border-sub: rgba(181, 207, 208, 0.10);
  --glass-shadow:     0 8px 32px 0 rgba(7, 16, 20, 0.65);
  --glass-blur:       blur(12px);

  /* Spacing System: 4 / 8 / 16 / 24 / 40 / 64px */
  --sp-4:  4px;
  --sp-8:  8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-40: 40px;
  --sp-64: 64px;

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

/* 2. RESET & BASE RULES */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--c-obsidian-coast);
  color: var(--c-text-ice);
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--c-obsidian-coast);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(53, 109, 121, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(99, 210, 213, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--c-obsidian-coast) 0%, var(--c-basalt-night) 100%);
  background-attachment: fixed;
  color: var(--c-text-ice);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

/* Typography elements */
h1, h2, h3, h4 {
  color: var(--c-text-arctic);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: var(--sp-16);
}

h3 {
  font-size: 1.25rem;
  margin-top: var(--sp-24);
  margin-bottom: var(--sp-8);
  color: var(--c-glacial-mist);
}

h4 {
  font-size: 1rem;
  margin-bottom: var(--sp-8);
  color: var(--c-water-glass);
}

p {
  margin-bottom: var(--sp-16);
  color: var(--c-text-ice);
}

ul, ol {
  margin-bottom: var(--sp-16);
  padding-left: var(--sp-24);
}

li {
  margin-bottom: var(--sp-8);
}

strong {
  color: var(--c-text-arctic);
}

a {
  color: var(--c-glacier-cyan);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--c-frost-white);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-glacier-cyan);
  outline-offset: 3px;
}

/* 3. ACCESSIBILITY & SKIP LINK */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--sp-16);
  background: var(--c-glacier-cyan);
  color: var(--c-deep-ink);
  padding: var(--sp-8) var(--sp-16);
  font-weight: 700;
  z-index: 9999;
  border-radius: 4px;
}

.skip-link:focus {
  top: var(--sp-16);
}

/* 4. LAYOUT CONTAINERS */
.site-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  min-width: 0;
}

.narrow-container {
  max-width: 860px;
}

/* 5. HEADER (NON-STICKY) */
.site-header {
  height: 64px;
  background: var(--c-basalt-night);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  color: var(--c-text-arctic);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

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

.brand-name {
  font-family: var(--font-family-mono);
  overflow-wrap: anywhere;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--glass-border);
  padding: var(--sp-8);
  border-radius: 4px;
  cursor: pointer;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--c-text-arctic);
  margin: 4px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-ice);
  padding: var(--sp-8) var(--sp-8);
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-item:hover {
  color: var(--c-glacier-cyan);
}

.nav-item.is-active,
.nav-item[aria-current="page"] {
  color: var(--c-glacier-cyan);
  font-weight: 600;
  border-bottom: 2px solid var(--c-glacier-cyan);
}

.nav-item-cta {
  background: rgba(99, 210, 213, 0.12);
  border: 1px solid var(--c-glacier-cyan);
  color: var(--c-glacier-cyan);
  padding: var(--sp-8) var(--sp-16);
  border-radius: 4px;
}

.nav-item-cta:hover {
  background: var(--c-glacier-cyan);
  color: var(--c-deep-ink);
}

/* 6. BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: var(--font-family-mono);
}

.btn-primary {
  background-color: var(--c-glacier-cyan);
  color: var(--c-deep-ink);
  border-color: var(--c-glacier-cyan);
}

.btn-primary:hover {
  background-color: var(--c-water-glass);
  color: var(--c-deep-ink);
  box-shadow: 0 0 16px rgba(99, 210, 213, 0.35);
}

.btn-secondary {
  background-color: rgba(99, 210, 213, 0.08);
  color: var(--c-glacier-cyan);
  border-color: var(--c-glacier-cyan);
}

.btn-secondary:hover {
  background-color: rgba(99, 210, 213, 0.2);
  color: var(--c-frost-white);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--c-text-mist);
  border-color: var(--glass-border-sub);
}

.btn-tertiary:hover {
  color: var(--c-text-arctic);
  border-color: var(--c-text-mist);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.75rem;
}

/* 7. GLASS PANELS & CARDS */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 8px;
}

.sub-label {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-glacier-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-8);
}

/* 8. HERO & HEADER SYSTEM (SIDE-BY-SIDE: NO TEXT ON TOP OF PICTURES OR BELOW) */
.hero-section {
  padding-top: var(--sp-64);
  padding-bottom: var(--sp-64);
}

.page-header-section {
  padding-top: var(--sp-40);
  padding-bottom: var(--sp-40);
}

.hero-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.hero-text-block {
  min-width: 0;
}

.hero-tag {
  font-family: var(--font-family-mono);
  font-size: 0.8rem;
  color: var(--c-glacier-cyan);
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-16);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--c-text-arctic);
  margin-bottom: var(--sp-16);
  line-height: 1.15;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--c-text-ice);
  margin-bottom: var(--sp-24);
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-16);
  margin-bottom: var(--sp-4);
}

.hero-visual-container {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--c-basalt-night);
  box-shadow: var(--glass-shadow);
}

.hero-image {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* 9. SEQUENCE GRID (5-POINT EVALUATION) */
.section-planning-sequence {
  padding-bottom: var(--sp-64);
}

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

.section-title {
  font-size: 2rem;
  margin-bottom: var(--sp-8);
}

.section-lead {
  font-size: 1.05rem;
  color: var(--c-text-mist);
  max-width: 760px;
}

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

.sequence-card {
  background: var(--glass-bg-subtle);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: var(--sp-16);
  display: flex;
  flex-direction: column;
}

.seq-num {
  font-family: var(--font-family-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-glacier-cyan);
  margin-bottom: var(--sp-8);
}

.seq-title {
  font-size: 1rem;
  color: var(--c-text-arctic);
  margin-top: 0;
  margin-bottom: var(--sp-8);
  font-family: var(--font-family-mono);
}

.seq-desc {
  font-size: 0.85rem;
  color: var(--c-text-mist);
  flex-grow: 1;
  margin-bottom: var(--sp-16);
}

.seq-metric {
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  color: var(--c-water-glass);
  border-top: 1px solid var(--glass-border-sub);
  padding-top: var(--sp-8);
}

/* 10. HORIZONTAL SPLIT CARDS (IMAGE BESIDE CONTENT: NO TEXT ON TOP OF PICTURES OR BELOW) */
.section-topic-cards {
  padding-bottom: var(--sp-64);
}

.horizontal-split-card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 32px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 8px;
  margin-bottom: var(--sp-40);
  overflow: hidden;
  padding: var(--sp-16);
}

.card-visual {
  flex: 0 0 46%;
  min-width: 0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--c-volcanic-black);
}

.card-image {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.card-content-panel {
  flex: 0 0 calc(54% - 32px);
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-8) var(--sp-16) var(--sp-8) 0;
}

.card-category {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--c-glacier-cyan);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-8);
}

.card-title {
  font-size: 1.6rem;
  color: var(--c-text-arctic);
  margin-bottom: var(--sp-16);
}

.card-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
  background: rgba(12, 23, 27, 0.6);
  border: 1px solid var(--glass-border-sub);
  border-radius: 4px;
  padding: var(--sp-8);
  margin-bottom: var(--sp-16);
}

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

.meta-k {
  font-family: var(--font-family-mono);
  font-size: 0.65rem;
  color: var(--c-text-muted);
}

.meta-v {
  font-size: 0.75rem;
  color: var(--c-glacial-mist);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--c-text-ice);
  margin-bottom: var(--sp-24);
  line-height: 1.5;
}

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

/* 11. QUICK SPECS / CALLOUT BLOCKS */
.section-quick-specs {
  padding-bottom: var(--sp-64);
}

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

.panel-heading {
  font-size: 1.5rem;
  margin-bottom: var(--sp-24);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-24);
}

.spec-col h4 {
  color: var(--c-glacier-cyan);
  font-size: 1.1rem;
  margin-bottom: var(--sp-8);
}

.spec-col p {
  font-size: 0.9rem;
  color: var(--c-text-ice);
  margin-bottom: 0;
}

/* 12. ARTICLE / TOPIC PAGE STYLES */
.content-body-section {
  padding-bottom: var(--sp-64);
}

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

.data-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: var(--sp-24) 0;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: var(--c-basalt-night);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

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

.data-table th {
  background: var(--c-dark-lava);
  color: var(--c-glacier-cyan);
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.data-table tbody tr:hover {
  background: rgba(99, 210, 213, 0.04);
}

.spec-callout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-24);
  margin: var(--sp-40) 0;
}

.spec-callout-box {
  padding: var(--sp-24);
  border-radius: 6px;
  border: 1px solid;
}

.spec-callout-box.good-for {
  background: rgba(113, 133, 109, 0.12);
  border-color: var(--c-moss-green);
}

.spec-callout-box.good-for h4 {
  color: var(--c-lichen-green);
  font-family: var(--font-family-mono);
  letter-spacing: 0.05em;
}

.spec-callout-box.what-to-know {
  background: rgba(208, 165, 90, 0.1);
  border-color: var(--c-signal-amber);
}

.spec-callout-box.what-to-know h4 {
  color: var(--c-signal-amber);
  font-family: var(--font-family-mono);
  letter-spacing: 0.05em;
}

.spec-callout-box ul {
  margin-bottom: 0;
}

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

.related-guides-block h3 {
  font-size: 1rem;
  font-family: var(--font-family-mono);
  color: var(--c-water-glass);
  margin-top: 0;
}

.guide-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-12);
  margin-top: var(--sp-16);
}

.guide-pill {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(99, 210, 213, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--c-glacier-cyan);
}

.guide-pill:hover {
  background: var(--c-glacier-cyan);
  color: var(--c-deep-ink);
}

.field-contact-cta {
  margin-top: var(--sp-40);
  background: var(--c-dark-lava);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
}

.field-contact-cta p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.inline-link {
  color: var(--c-glacier-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 13. CONTACT PAGE SPECIFIC STYLES */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--sp-40);
}

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

.panel-lead {
  font-size: 0.95rem;
  color: var(--c-text-mist);
  margin-bottom: var(--sp-24);
}

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

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

.form-label {
  font-family: var(--font-family-mono);
  font-size: 0.8rem;
  color: var(--c-glacial-mist);
  margin-bottom: 6px;
}

.form-label .req {
  color: var(--c-glacier-cyan);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--c-basalt-night);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: var(--c-text-arctic);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--c-glacier-cyan);
  background: var(--c-dark-lava);
}

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

.field-error {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--c-alert-crimson);
  margin-top: 4px;
  min-height: 18px;
}

.form-submit-row {
  margin-top: var(--sp-8);
}

.form-status-alert {
  padding: var(--sp-16);
  border-radius: 4px;
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
  margin-top: var(--sp-16);
}

.form-status-alert.is-success {
  background: rgba(113, 133, 109, 0.2);
  border: 1px solid var(--c-moss-green);
  color: var(--c-frost-white);
}

.form-status-alert.is-error {
  background: rgba(224, 82, 82, 0.2);
  border: 1px solid var(--c-alert-crimson);
  color: var(--c-frost-white);
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
  margin-bottom: var(--sp-24);
}

.contact-detail-item {
  border-bottom: 1px solid var(--glass-border-sub);
  padding-bottom: var(--sp-8);
}

.detail-k {
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  color: var(--c-text-muted);
}

.detail-v {
  font-size: 0.9rem;
  color: var(--c-text-arctic);
}

.static-map-graphic {
  background: var(--c-basalt-night);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  overflow: hidden;
  margin-top: var(--sp-16);
}

.map-svg {
  display: block;
}

/* 14. FOOTER */
.site-footer {
  background-color: var(--c-obsidian-coast);
  border-top: 1px solid var(--glass-border);
  padding-top: var(--sp-64);
  padding-bottom: var(--sp-40);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr;
  gap: var(--sp-40);
  margin-bottom: var(--sp-40);
}

.footer-brand-title {
  font-family: var(--font-family-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-text-arctic);
  margin-bottom: var(--sp-8);
}

.footer-tagline {
  color: var(--c-text-mist);
  font-size: 0.85rem;
  max-width: 380px;
  margin-bottom: var(--sp-16);
}

.footer-legal-unit {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-glacier-cyan);
  margin-bottom: var(--sp-16);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: var(--c-text-ice);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--c-glacier-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border-sub);
  padding-top: var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-16);
}

.copyright {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-bottom: 0;
}

.exact-domain-wrapper {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
}

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

.footer-domain-link {
  color: var(--c-glacier-cyan);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}

.footer-domain-link:hover {
  color: var(--c-frost-white);
}

/* 15. COOKIE CONSENT BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--c-volcanic-black);
  border-top: 1px solid var(--c-glacier-cyan);
  box-shadow: 0 -8px 32px rgba(7, 16, 20, 0.8);
  padding: var(--sp-16) 0;
  z-index: 9999;
}

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

.cookie-text {
  flex: 1 1 500px;
}

.cookie-title {
  font-family: var(--font-family-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-glacier-cyan);
  margin-bottom: 4px;
}

.cookie-desc {
  font-size: 0.825rem;
  color: var(--c-text-mist);
  margin-bottom: 0;
  line-height: 1.4;
}

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

/* 16. RESPONSIVE DESIGN (< 1024px, < 768px, < 480px) */
@media (max-width: 1024px) {
  .hero-split {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--sp-24);
  }

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

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

  .brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  /* Header Nav Toggle Active */
  .site-header {
    height: 52px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--c-basalt-night);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--sp-16) var(--sp-24);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.7);
  }

  .nav-menu.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-12);
  }

  .nav-item {
    width: 100%;
    padding: var(--sp-8) 0;
  }

  .nav-item.is-active {
    border-bottom: none;
    border-left: 3px solid var(--c-glacier-cyan);
    padding-left: var(--sp-8);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: var(--sp-24);
  }

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

  .horizontal-split-card {
    flex-direction: column;
    gap: var(--sp-24);
    padding: var(--sp-16);
  }

  .card-visual {
    flex: 0 0 100%;
    width: 100%;
  }

  .card-content-panel {
    flex: 0 0 100%;
    width: 100%;
    padding: 0;
  }

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

  .spec-callout-grid {
    grid-template-columns: 1fr;
  }

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

  .field-contact-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-24);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .site-container {
    padding: 0 var(--sp-16);
  }

  .hero-title {
    font-size: 1.65rem;
  }

  .btn {
    width: 100%;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

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

  .article-panel,
  .form-panel,
  .location-panel,
  .text-content-box {
    padding: var(--sp-24) var(--sp-16);
  }
}

/* 17. PREFERS-REDUCED-MOTION */
@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;
  }
}