/* ==========================================================================
   EXORTIC RESEARCH LAB — DESIGN SYSTEM & STYLESHEET
   Focus: Artificial Human Intelligence (AHI) & Continuous Systems
   Hybrid Model: Open Source + Commercial
   Ultra-clean Swiss typography, sleek micro-interactions, responsive design
   ========================================================================== */

:root {
  /* Color Palette — Dark Mode (Default) */
  --bg-primary: #0a0c10;
  --bg-secondary: #11141c;
  --bg-surface: #171b26;
  --bg-surface-elevated: #1e2332;
  --bg-glass: rgba(10, 12, 16, 0.88);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(56, 189, 248, 0.35);

  --text-primary: #f1f4f9;
  --text-secondary: #9da6b9;
  --text-muted: #5e6678;
  --text-inverse: #0a0c10;

  --accent-cyan: #38bdf8;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Shadows */
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 260ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.5);

  /* Container */
  --max-width: 1240px;
  --header-height: 72px;
}

/* Light Paper Theme */
[data-theme="light"] {
  --bg-primary: #fbfbf9;
  --bg-secondary: #f3f3ee;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-glass: rgba(251, 251, 249, 0.92);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.16);
  --border-accent: rgba(2, 132, 199, 0.35);

  --text-primary: #121418;
  --text-secondary: #565d6d;
  --text-muted: #8b92a2;
  --text-inverse: #fbfbf9;

  --accent-cyan: #0284c7;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  --accent-purple: #7e22ce;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-medium), color var(--transition-medium);
  min-height: 100vh;
}

/* Typography Helpers */
.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-cyan); }
.font-bold { font-weight: 600; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.hover-underline:hover {
  text-decoration: underline;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-medium);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-width: 44px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}

.brand-text-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.18rem 0.45rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 3px;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-cyan);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
}

.pulse-indicator {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-ring 2.4s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.status-text {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-surface-elevated);
}

[data-theme="dark"] .light-icon { display: inline; }
[data-theme="dark"] .dark-icon { display: none; }
[data-theme="light"] .light-icon { display: none; }
[data-theme="light"] .dark-icon { display: inline; }

/* Mobile Menu Button & Drawer */
.mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
  align-items: center;
}

.hamburger-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-nav-drawer {
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-medium);
  box-shadow: var(--shadow-elevated);
  padding: 1.5rem 0;
}

.mobile-nav-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

/* ==========================================================================
   Sections Common
   ========================================================================== */
.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 820px;
}

.section-index {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Badges */
.mono-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  border-radius: 3px;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.mono-badge.secondary {
  color: var(--text-secondary);
}

.mono-badge.accent {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.06);
}

/* ==========================================================================
   01. Mission / AHI Manifesto
   ========================================================================== */
.manifesto-section {
  padding-top: 6rem;
  padding-bottom: 5rem;
  background: radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.04) 0%, transparent 60%);
}

.meta-label-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.manifesto-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.6rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.03em;
  max-width: 1060px;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.lead-text {
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.body-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hybrid-model-callout {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 4px;
  padding: 1.5rem;
}

.hybrid-badge {
  font-size: 0.68rem;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}

.hybrid-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hybrid-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.manifesto-meta-panel {
  border-left: 2px solid var(--border-medium);
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.meta-caption {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.meta-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.link-inline {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.link-inline:hover {
  color: var(--text-primary);
}

/* Telemetry Strip */
.telemetry-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
}

.telemetry-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.75rem;
}

.ticker-segment {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

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

.ticker-value {
  color: var(--text-secondary);
}

.ticker-divider {
  color: var(--border-medium);
}

/* ==========================================================================
   First Product Launch Section: Guidey Live
   ========================================================================== */
.launch-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.launch-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.launch-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.launch-meta-tags {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.22rem 0.6rem;
  border-radius: 20px;
}

.pill-live {
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.pill-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-emerald);
}

.launch-gateway {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.launch-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  padding: 2.75rem 2rem;
  gap: 3rem;
  align-items: start;
}

.launch-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin-top: 0.4rem;
  margin-bottom: 1rem;
}

.launch-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0.85rem;
}

.launch-sub-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.launch-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
}

.spec-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1rem;
  font-size: 0.88rem;
  align-items: baseline;
}

.spec-name {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.spec-desc {
  color: var(--text-primary);
  line-height: 1.5;
}

.link-mono {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.launch-action-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Launch Telemetry & Roadmap Column */
.launch-telemetry-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.telemetry-box-header {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-emerald);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.telemetry-roadmap-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.roadmap-header {
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.roadmap-step {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.75rem;
  border-radius: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.roadmap-step.active {
  border-color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.04);
}

.roadmap-step.in-progress {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.04);
}

.roadmap-step .step-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-top: 0.1rem;
}

.roadmap-step.active .step-num {
  color: var(--accent-emerald);
}

.roadmap-step .step-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.roadmap-step .step-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Traction Signal Input */
.traction-signal-card {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.signal-card-title {
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.traction-input-wrap {
  display: flex;
  gap: 0.5rem;
}

.traction-input-wrap input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.55rem 0.75rem;
  color: var(--text-primary);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.traction-input-wrap input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.traction-feedback {
  min-height: 1.2rem;
  color: var(--accent-emerald);
}

/* ==========================================================================
   Next Product Launch Teaser: October 19th
   ========================================================================== */
.next-launch-teaser-card {
  position: relative;
  margin-top: 2rem;
  background: var(--bg-surface);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(251, 191, 36, 0.06), var(--shadow-subtle);
  transition: border-color var(--transition-fast);
}

.next-launch-teaser-card:hover {
  border-color: rgba(251, 191, 36, 0.6);
}

.next-launch-ambient-glow {
  position: absolute;
  top: -60px;
  right: 15%;
  width: 280px;
  height: 140px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.12) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(24px);
}

.next-launch-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  padding: 2.25rem 2rem;
  gap: 2.5rem;
  align-items: center;
}

.next-launch-badges {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.pill-upcoming {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(251, 191, 36, 0.35);
}

.pulse-amber {
  background: var(--accent-amber) !important;
  box-shadow: 0 0 8px var(--accent-amber) !important;
  animation: pulse-glow-amber 2s infinite ease-in-out;
}

@keyframes pulse-glow-amber {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.9);
  }
}

.mono-badge.accent-warm {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.3);
  color: var(--accent-amber);
}

.mono-badge.warning {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.35);
  color: var(--accent-amber);
}

.text-amber {
  color: var(--accent-amber) !important;
}

.nav-link.nav-highlight {
  color: var(--accent-amber);
  font-weight: 500;
}

.nav-link.nav-highlight:hover {
  color: #fef08a;
}

.next-launch-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.28;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.next-launch-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.next-launch-subdescription {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.next-launch-footer-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Countdown Widget */
.countdown-widget {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: 0.05em;
}

.countdown-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.85rem 0.65rem;
  min-width: 62px;
  flex: 1;
}

.unit-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-amber);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.unit-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.countdown-sep {
  font-size: 1.5rem;
  color: var(--border-medium);
  font-weight: 300;
}

.countdown-status-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-amber);
  box-shadow: 0 0 6px var(--accent-amber);
}

/* ==========================================================================
   01. Reimagining Machine Learning & Creativity
   ========================================================================== */
.creativity-editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.creativity-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.25rem 2rem;
  transition: all var(--transition-fast);
}

.creativity-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

.card-icon {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   02. Paradigm Section: Interactive Canvas & Comparison
   ========================================================================== */
.paradigm-interactive-board {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  overflow: hidden;
}

.paradigm-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.paradigm-tab-btn {
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
  transition: all var(--transition-fast);
}

.paradigm-tab-btn:first-child {
  border-right: 1px solid var(--border-subtle);
}

.paradigm-tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.paradigm-tab-btn.active {
  color: var(--text-primary);
  background: var(--bg-surface);
  font-weight: 600;
}

.paradigm-tab-btn .tab-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-medium);
  transition: all var(--transition-fast);
}

.paradigm-tab-btn.active .tab-indicator {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.paradigm-visualizer {
  position: relative;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem;
}

#architectureCanvas {
  width: 100%;
  height: 240px;
  display: block;
}

.canvas-overlay-data {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  text-align: right;
  pointer-events: none;
}

.overlay-badge {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.overlay-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.paradigm-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2.25rem;
}

.breakdown-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.breakdown-tag {
  font-size: 0.7rem;
  color: var(--accent-cyan);
}

.breakdown-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.breakdown-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   03. Contribute & Open Source Section
   ========================================================================== */
.contribute-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
}

.contribute-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

.contribute-panel.secondary-panel {
  background: var(--bg-secondary);
}

.contribute-tag {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.contribute-heading {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contribute-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.contribute-specs {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contribute-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contribute-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-left: 2px solid var(--border-medium);
  padding-left: 1rem;
}

.contribute-list li strong {
  color: var(--text-primary);
}

/* ==========================================================================
   05. Dispatch & Stay Tuned Section
   ========================================================================== */
.dispatch-container {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 3.5rem;
}

.dispatch-title {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.dispatch-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.dispatch-guarantees {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dispatch-form-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  letter-spacing: 0.05em;
}

.input-with-button {
  display: flex;
  gap: 0.5rem;
}

.input-with-button input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

.input-with-button input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.interest-checkboxes {
  margin-bottom: 1.5rem;
}

.block-label {
  display: block;
  margin-bottom: 0.75rem;
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.custom-checkbox input {
  display: none;
}

.custom-checkbox .check-mark {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-medium);
  background: var(--bg-primary);
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.custom-checkbox input:checked + .check-mark {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.custom-checkbox input:checked + .check-mark::after {
  content: '✓';
  font-size: 11px;
  color: #07090e;
  font-weight: 800;
}

.custom-checkbox .label-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.form-feedback {
  font-size: 0.8rem;
  min-height: 1.5rem;
  margin-top: 0.5rem;
}

.form-feedback.success {
  color: var(--accent-emerald);
}

.form-feedback.error {
  color: var(--accent-rose);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.65rem 1.25rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-solid {
  background: var(--accent-cyan);
  color: #07090e;
  font-weight: 600;
}

.btn-solid:hover {
  background: #7dd3fc;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-micro {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  font-size: 0.7rem;
  border-radius: 3px;
  cursor: pointer;
}

.btn-micro:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 4.5rem;
  padding-bottom: 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  max-width: 38px;
  object-fit: contain;
  display: block;
}

.footer-brand .brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-block;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  max-width: 380px;
}

.footer-mono-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dot-sep {
  color: var(--border-medium);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col .col-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  letter-spacing: 0.06em;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.footer-sub {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1024px) {
  .manifesto-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .manifesto-meta-panel {
    border-left: none;
    border-top: 2px solid var(--border-medium);
    padding-left: 0;
    padding-top: 1.5rem;
  }
  .launch-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .creativity-editorial-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .contribute-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .paradigm-breakdown-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .dispatch-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem 1.75rem;
  }
}

@media (max-width: 820px) {
  .site-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .section {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
  }
  .manifesto-section {
    padding-top: 4rem;
    padding-bottom: 3.5rem;
  }
  .launch-card {
    border-radius: 4px;
  }
  .launch-grid {
    padding: 1.75rem 1.25rem;
  }
  .spec-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-links-grid {
    grid-template-columns: 1fr 1fr;
  }
  .input-with-button {
    flex-direction: column;
  }
  .paradigm-controls {
    grid-template-columns: 1fr;
  }
  .paradigm-tab-btn:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .next-launch-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.75rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .brand-text-group .brand-tag {
    display: none;
  }
  .clock-digits-grid {
    gap: 0.25rem;
  }
  .digit-cell {
    min-width: 54px;
    padding: 0.65rem 0.35rem;
  }
  .digit-value {
    font-size: 1.5rem;
  }
  .digit-sep {
    font-size: 1.2rem;
  }
  .footer-links-grid {
    grid-template-columns: 1fr;
  }
  .countdown-unit {
    min-width: 46px;
    padding: 0.6rem 0.35rem;
  }
  .unit-num {
    font-size: 1.35rem;
  }
  .countdown-sep {
    font-size: 1.1rem;
  }
}