:root {
  --color-primary: #F3F4F6;
  --color-secondary: #1F2937;
  --color-accent-amber: #D97706;
  --color-accent-cobalt: #4B5563;
  --color-border: #D1D5DB;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-overlay: rgba(31, 41, 55, 0.72);
  --font-primary: 'DM Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-soft: 0 4px 24px rgba(31, 41, 55, 0.08);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --max-width: 72rem;
  --header-height: 4.5rem;
}

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

html {
  font-size: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-primary);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  flex-direction: column;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-slow);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-amber);
}

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent-amber);
  outline-offset: 2px;
}

.container-frame {
  width: 90%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.frame-box {
  border: 1px solid var(--color-border);
  background-color: var(--color-primary);
  padding: var(--space-lg);
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.frame-box:hover {
  box-shadow: var(--shadow-soft);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-cobalt);
}

.section-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.25;
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 42rem;
  margin-bottom: var(--space-lg);
}

.site-header {
  position: relative;
  z-index: 100;
  background-color: rgba(243, 244, 246, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: var(--header-height);
  padding: var(--space-sm) 0;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-text:hover {
  color: var(--color-accent-amber);
}

.primary-nav {
  display: none;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid transparent;
  transition: border-color var(--transition-slow), background-color var(--transition-slow);
}

.nav-link:hover,
.nav-link.is-active {
  border-color: var(--color-border);
  background-color: rgba(217, 119, 6, 0.08);
  color: var(--color-accent-amber);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-primary);
  transition: background-color var(--transition-slow);
  margin-left: auto;
  flex-shrink: 0;
}

.menu-toggle:hover {
  background-color: rgba(217, 119, 6, 0.1);
}

.menu-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background-color: var(--color-secondary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.is-open .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(20rem, 85vw);
  height: 100vh;
  background-color: var(--color-primary);
  border-left: 1px solid var(--color-border);
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--transition-fast);
  padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
  overflow-y: auto;
}

.mobile-menu-panel.is-open {
  transform: translateX(0);
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(31, 41, 55, 0.4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-menu-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-slow);
}

.mobile-nav-link:hover {
  background-color: rgba(217, 119, 6, 0.08);
  color: var(--color-accent-amber);
}

main {
  flex: 1;
}

.hero-panel {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(18rem, 45vh, 28rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--color-primary);
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.15;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0.92;
  max-width: 36rem;
  margin: 0 auto var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent-amber);
  color: var(--color-primary);
  border: 1px solid var(--color-accent-amber);
  transition: background-color var(--transition-slow), transform var(--transition-fast);
}

.btn-primary:hover {
  background-color: #b45309;
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--space-md) var(--space-lg);
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  transition: background-color var(--transition-slow);
}

.btn-secondary:hover {
  background-color: rgba(243, 244, 246, 0.15);
  color: var(--color-primary);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--space-md) var(--space-lg);
  background-color: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-slow);
}

.btn-outline:hover {
  background-color: rgba(217, 119, 6, 0.08);
  color: var(--color-accent-amber);
}

.content-section {
  padding: var(--space-2xl) 0;
}

.content-section-alt {
  background-color: rgba(75, 85, 99, 0.06);
}

.section-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.section-grid-three {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.media-frame {
  border: 1px solid var(--color-border);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  max-height: 16rem;
}

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

.feature-card {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: background-color var(--transition-slow);
}

.feature-card:hover {
  background-color: rgba(217, 119, 6, 0.05);
}

.feature-card-icon {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent-amber);
  margin-bottom: var(--space-sm);
}

.feature-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.stat-cell {
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent-amber);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-secondary);
  color: var(--color-primary);
  padding: var(--space-lg) 0;
  margin-top: auto;
}

.footer-inner {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
}

.footer-nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(243, 244, 246, 0.85);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(243, 244, 246, 0.2);
  transition: background-color var(--transition-slow);
}

.footer-nav-link:hover {
  background-color: rgba(217, 119, 6, 0.2);
  color: var(--color-primary);
}

.footer-meta {
  font-size: 0.8rem;
  color: rgba(243, 244, 246, 0.65);
  line-height: 1.7;
}

.footer-meta a {
  color: rgba(243, 244, 246, 0.85);
}

.footer-meta a:hover {
  color: var(--color-accent-amber);
}

.privacy-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-top: 1px solid var(--color-accent-cobalt);
  padding: var(--space-md);
  transform: translateY(100%);
  transition: transform var(--transition-fast);
}

.privacy-banner.is-visible {
  transform: translateY(0);
}

.privacy-banner-inner {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

.privacy-banner-text {
  font-size: 0.85rem;
  line-height: 1.5;
}

.privacy-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.privacy-accept-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-accent-amber);
  color: var(--color-primary);
  border: 1px solid var(--color-accent-amber);
}

.privacy-decline-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-sm) var(--space-md);
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(243, 244, 246, 0.4);
}

.patch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: var(--space-sm);
}

.patch-cell {
  position: relative;
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
  cursor: pointer;
  background-color: var(--color-primary);
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
  min-height: 5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.patch-cell:hover,
.patch-cell.is-active {
  background-color: rgba(217, 119, 6, 0.08);
  border-color: var(--color-accent-amber);
}

.patch-duration {
  color: var(--color-accent-amber);
  font-weight: 600;
}

.patch-wireframe {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(217, 119, 6, 0.08) 4px,
    rgba(217, 119, 6, 0.08) 8px
  );
  transition: opacity var(--transition-slow);
}

.patch-cell:hover .patch-wireframe {
  opacity: 1;
}

.diagnostic-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.body-map-container {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 20rem;
}

.body-map-svg {
  width: 100%;
  max-width: 16rem;
  height: auto;
}

.joint-node {
  fill: var(--color-accent-cobalt);
  cursor: pointer;
  transition: fill var(--transition-slow), r var(--transition-fast);
}

.joint-node:hover,
.joint-node.is-selected {
  fill: var(--color-accent-amber);
}

.sequence-output {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  min-height: 12rem;
}

.sequence-output-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-cobalt);
  margin-bottom: var(--space-md);
}

.sequence-item {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.ledger-grid-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(52, 1fr);
  gap: 3px;
  min-width: 36rem;
}

.ledger-dot {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: rgba(75, 85, 99, 0.15);
  transition: background-color var(--transition-slow);
}

.ledger-dot.is-logged {
  background-color: var(--color-accent-amber);
}

.ledger-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  align-items: center;
}

.ledger-legend .ledger-dot {
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  margin-right: var(--space-xs);
  vertical-align: middle;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.product-card {
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.product-image-wrap {
  aspect-ratio: 4 / 3;
  max-height: 12rem;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-body .btn-primary {
  margin-top: var(--space-md);
  align-self: flex-start;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex: 1;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-accent-amber);
  font-weight: 600;
}

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

.contact-info-block {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.contact-info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.contact-info-item i {
  color: var(--color-accent-amber);
  width: 1.25rem;
  text-align: center;
  margin-top: 0.2rem;
}

.contact-form-wrap {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-cobalt);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-primary);
  transition: border-color var(--transition-slow);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent-amber);
  outline: none;
}

.form-textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.form-checkbox-row input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.map-frame {
  border: 1px solid var(--color-border);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  max-height: 18rem;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.legal-content {
  padding: var(--space-2xl) 0;
}

.legal-text-wrap {
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  max-width: 48rem;
  margin: 0 auto;
}

.legal-text-wrap h2 {
  font-size: 1.25rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-text-wrap h2:first-child {
  margin-top: 0;
}

.legal-text-wrap p,
.legal-text-wrap li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.legal-text-wrap ul {
  padding-left: var(--space-lg);
  list-style: disc;
}

.legal-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent-cobalt);
  margin-bottom: var(--space-lg);
}

.thank-you-wrap {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  max-width: 36rem;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 3rem;
  color: var(--color-accent-amber);
  margin-bottom: var(--space-md);
}

.error-wrap {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 15vw, 8rem);
  color: var(--color-accent-cobalt);
  line-height: 1;
}

.chrono-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.chrono-overlay.is-active {
  display: flex;
}

.chrono-display {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 12vw, 6rem);
  color: var(--color-accent-amber);
  margin-bottom: var(--space-md);
}

.chrono-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(243, 244, 246, 0.7);
  margin-bottom: var(--space-xl);
  text-align: center;
  max-width: 24rem;
}

.chrono-controls {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.chrono-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid rgba(243, 244, 246, 0.3);
  color: var(--color-primary);
  transition: background-color var(--transition-slow);
}

.chrono-btn:hover {
  background-color: rgba(217, 119, 6, 0.2);
}

.chrono-btn-exit {
  border-color: var(--color-accent-amber);
  color: var(--color-accent-amber);
}

.text-center {
  text-align: center;
}

.centered-intro {
  margin-left: auto;
  margin-right: auto;
}

.compact-media-center {
  margin-top: var(--space-lg);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
  .section-grid-two {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .privacy-banner-inner {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .diagnostic-layout {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 1024px) {
  .primary-nav {
    display: block;
    flex: 1;
    margin-left: var(--space-lg);
  }

  .nav-list {
    justify-content: flex-end;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-menu-panel,
  .mobile-menu-backdrop {
    display: none;
  }
}

@media (max-width: 1023px) {
  .menu-toggle {
    display: flex;
  }
}