/* ==========================================================================
   ĀTMAN RESPONSIBLE AI CHARTER — LIVING SYSTEM EXPERIENCE (responsible-ai.css)
   Organic Intelligence × Engineered Precision · Radical Epistemic Honesty
   Strict A11y · Hardware Accelerated Kinematics · Complete Responsive Adaptability
   ========================================================================== */

/* ─── Wrapper & Environmental Atmosphere ─────────────────────────────────── */
.rai-wrapper {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8.5rem 1.75rem 6rem;
  font-family: var(--font-body, 'Instrument Sans', sans-serif);
  color: var(--text-secondary, #A9A59A);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* ─── Header & Telemetry ─────────────────────────────────────────────────── */
.rai-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.rai-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--slate-blue, #7F92A6);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.rai-tag::before,
.rai-tag::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
}

.rai-title {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--text, #F4F2EA);
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
  line-height: 1.08;
  background: linear-gradient(180deg, #FFFFFF 0%, #D8C79A 40%, #A9A59A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 32px rgba(201, 178, 124, 0.15);
}

.rai-epigraph {
  font-family: var(--font-body, 'Instrument Sans', sans-serif);
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-style: italic;
  color: var(--accent-primary, #C9B27C);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

/* ─── Live Telemetry Ribbon ──────────────────────────────────────────────── */
.rai-telemetry-ribbon {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin: 0 auto 2.5rem;
  max-width: 980px;
}

.rai-telemetry-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(23, 23, 20, 0.7);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary, #A9A59A);
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.rai-telemetry-pill:hover {
  border-color: rgba(201, 178, 124, 0.35);
  background: rgba(30, 29, 24, 0.85);
}

.rai-telemetry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary, #C9B27C);
  box-shadow: 0 0 8px var(--accent-primary, #C9B27C);
  flex-shrink: 0;
}

.rai-telemetry-dot.dot-verified {
  background: #6EE7B7;
  box-shadow: 0 0 8px rgba(110, 231, 183, 0.6);
}

.rai-telemetry-dot.dot-redline {
  background: #F87171;
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.6);
}

/* ─── Active Evolution Notice Banner ─────────────────────────────────────── */
.rai-dev-banner {
  position: relative;
  background: rgba(201, 178, 124, 0.04);
  border: 1px solid rgba(201, 178, 124, 0.22);
  border-radius: 14px;
  padding: 1.4rem 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  margin-bottom: 3.75rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.rai-dev-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
  font-weight: 600;
}

.rai-dev-text {
  font-family: var(--font-body, 'Instrument Sans', sans-serif);
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-secondary, #A9A59A);
  margin: 0;
}

/* ─── SECTION 1: THE LIVING PRINCIPLE EXPLORER ────────────────────────────── */
.rai-explorer-section {
  margin-bottom: 5rem;
}

.rai-section-intro {
  text-align: center;
  margin-bottom: 2.25rem;
}

.rai-section-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--slate-blue, #7F92A6);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.rai-section-title {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.rai-section-desc {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--text-secondary, #A9A59A);
}

/* Explorer Constellation Tabs */
.rai-tabs-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  role: tablist;
}

.rai-tab-btn {
  background: rgba(23, 23, 20, 0.75);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 12px;
  padding: 1.1rem 0.9rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease,
              background 0.25s ease,
              box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  color: inherit;
}

.rai-tab-btn:hover {
  border-color: rgba(201, 178, 124, 0.35);
  background: rgba(30, 29, 24, 0.85);
  transform: translateY(-2px);
}

.rai-tab-btn:focus-visible {
  outline: 2px solid var(--accent-primary, #C9B27C);
  outline-offset: 2px;
}

.rai-tab-btn[aria-selected="true"] {
  background: rgba(35, 33, 26, 0.95);
  border-color: var(--accent-primary, #C9B27C);
  box-shadow: 0 8px 24px rgba(201, 178, 124, 0.12),
              inset 0 1px 0 rgba(201, 178, 124, 0.3);
  transform: translateY(-3px);
}

.rai-tab-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rai-tab-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.rai-tab-btn[aria-selected="true"] .rai-tab-dot {
  background: var(--accent-primary, #C9B27C);
  box-shadow: 0 0 6px var(--accent-primary, #C9B27C);
}

.rai-tab-name {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.rai-tab-kicker {
  font-size: 0.78rem;
  color: var(--muted, #78745f);
  line-height: 1.35;
}

/* Connective Filament SVG Canvas */
.rai-filament-container {
  width: 100%;
  height: 28px;
  margin-bottom: 0.5rem;
  position: relative;
  overflow: visible;
  display: block;
}

.rai-filament-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.rai-filament-line {
  fill: none;
  stroke: rgba(201, 178, 124, 0.15);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  transition: stroke 0.3s ease;
}

.rai-filament-active {
  fill: none;
  stroke: var(--accent-primary, #C9B27C);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 6px rgba(201, 178, 124, 0.4));
  transition: d 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tab Panels Canvas */
.rai-panel-canvas {
  position: relative;
  background: rgba(18, 18, 15, 0.9);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 16px;
  padding: 2.75rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  overflow: hidden;
}

.rai-tabpanel {
  display: none;
  flex-direction: column;
  gap: 2rem;
  animation: rai-fade-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.rai-tabpanel.active {
  display: flex;
}

@keyframes rai-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.rai-panel-header {
  border-bottom: 1px solid var(--border, rgba(237, 232, 216, 0.055));
  padding-bottom: 1.5rem;
}

.rai-panel-pretitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.rai-panel-title {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.rai-panel-thesis {
  font-size: 1.1rem;
  color: var(--text, #F4F2EA);
  line-height: 1.7;
}

/* 4-Quadrant Information Architecture inside Explorer */
.rai-quadrant-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.rai-quadrant-card {
  background: rgba(26, 25, 20, 0.7);
  border: 1px solid var(--border, rgba(237, 232, 216, 0.055));
  border-radius: 12px;
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.25s ease;
}

.rai-quadrant-card:hover {
  border-color: rgba(201, 178, 124, 0.25);
}

.rai-card-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.rai-card-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(201, 178, 124, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary, #C9B27C);
  flex-shrink: 0;
}

.rai-card-icon svg {
  width: 16px;
  height: 16px;
}

.rai-card-icon.icon-guard {
  background: rgba(110, 231, 183, 0.12);
  color: #6EE7B7;
}

.rai-card-icon.icon-limit {
  background: rgba(251, 191, 36, 0.12);
  color: #FBBF24;
}

.rai-card-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text, #F4F2EA);
  text-transform: uppercase;
  font-weight: 600;
}

.rai-quadrant-card p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-secondary, #A9A59A);
}

.rai-quadrant-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.rai-quadrant-card li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text-secondary, #A9A59A);
}

.rai-quadrant-card li::before {
  content: '›';
  position: absolute;
  left: 0;
  font-size: 1.15rem;
  color: var(--accent-primary, #C9B27C);
  line-height: 1;
}

.rai-quadrant-card li strong {
  color: var(--text, #F4F2EA);
}

/* Code Evidence Pill inside quadrant */
.rai-code-ref {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(201, 178, 124, 0.08);
  border: 1px solid rgba(201, 178, 124, 0.2);
  color: var(--accent-primary, #C9B27C);
  margin-top: 0.25rem;
  align-self: flex-start;
}

/* ─── SECTION 2: EDITORIAL PULLQUOTE ─────────────────────────────────────── */
.rai-pullquote-wrap {
  background: linear-gradient(90deg, rgba(201, 178, 124, 0.09) 0%, rgba(23, 23, 20, 0) 100%);
  border-left: 3px solid var(--accent-primary, #C9B27C);
  padding: 2.25rem 2.5rem;
  margin: 4.5rem 0;
  border-radius: 0 16px 16px 0;
  position: relative;
  overflow: hidden;
}

.rai-pullquote-wrap::before {
  content: '“';
  position: absolute;
  top: -10px;
  right: 20px;
  font-family: var(--font-display, serif);
  font-size: 7rem;
  color: rgba(201, 178, 124, 0.06);
  line-height: 1;
  pointer-events: none;
}

.rai-pullquote-wrap blockquote {
  font-family: var(--font-body, 'Instrument Sans', sans-serif);
  font-size: clamp(1.2rem, 2.6vw, 1.45rem);
  font-style: italic;
  color: var(--text, #F4F2EA);
  line-height: 1.6;
  margin: 0 0 0.85rem;
}

.rai-pullquote-citation {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
}

/* ─── SECTION 3: THE RESPONSIBILITY & BOUNDARY MATRIX ─────────────────────── */
.rai-matrix-section {
  margin-bottom: 5rem;
}

.rai-matrix-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.rai-filter-btn {
  background: rgba(23, 23, 20, 0.7);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 999px;
  padding: 0.55rem 1.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary, #A9A59A);
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.rai-filter-btn:hover {
  border-color: rgba(201, 178, 124, 0.35);
  color: var(--text, #F4F2EA);
  transform: translateY(-1px);
}

.rai-filter-btn:focus-visible {
  outline: 2px solid var(--accent-primary, #C9B27C);
  outline-offset: 2px;
}

.rai-filter-btn.active {
  background: var(--accent-primary, #C9B27C);
  border-color: var(--accent-primary, #C9B27C);
  color: #0D0D0A;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(201, 178, 124, 0.3);
}

.rai-filter-btn .filter-count {
  font-size: 0.7rem;
  opacity: 0.8;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.15);
}

.rai-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.rai-matrix-card {
  background: rgba(23, 23, 20, 0.65);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 14px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease,
              opacity 0.25s ease;
  position: relative;
}

.rai-matrix-card:hover {
  transform: translateY(-3px);
  border-color: rgba(201, 178, 124, 0.3);
}

.rai-matrix-card.hidden {
  display: none !important;
}

.rai-matrix-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  text-transform: uppercase;
  font-weight: 600;
  align-self: flex-start;
}

.badge-guarantee {
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  color: #6EE7B7;
}

.badge-limitation {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: #FBBF24;
}

.badge-agency {
  background: rgba(127, 146, 166, 0.12);
  border: 1px solid rgba(127, 146, 166, 0.3);
  color: var(--slate-blue, #7F92A6);
}

.rai-matrix-title {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0;
}

.rai-matrix-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary, #A9A59A);
  margin: 0;
  flex-grow: 1;
}

.rai-matrix-proof {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted, #78745f);
  border-top: 1px dashed var(--border, rgba(237, 232, 216, 0.055));
  padding-top: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ─── SECTION 4: PROGRESSIVE TECHNICAL DISCLOSURE (ACCORDION) ────────────── */
.rai-accordion-section {
  margin-bottom: 5rem;
}

.rai-accordion-container {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.rai-accordion-item {
  background: rgba(23, 23, 20, 0.65);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.rai-accordion-item:hover {
  border-color: rgba(201, 178, 124, 0.25);
}

.rai-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font-family: inherit;
  transition: background 0.2s ease;
}

.rai-accordion-trigger:hover {
  background: rgba(201, 178, 124, 0.03);
}

.rai-accordion-trigger:focus-visible {
  outline: 2px solid var(--accent-primary, #C9B27C);
  outline-offset: -2px;
}

.rai-trigger-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.rai-trigger-spec {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
}

.rai-trigger-title {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.01em;
}

.rai-trigger-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-primary, #C9B27C);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.rai-accordion-trigger[aria-expanded="true"] .rai-trigger-icon {
  transform: rotate(180deg);
}

.rai-accordion-content {
  display: none;
  padding: 0 1.75rem 1.75rem;
  border-top: 1px solid var(--border, rgba(237, 232, 216, 0.055));
  margin-top: 0;
}

.rai-accordion-item.open .rai-accordion-content {
  display: block;
}

.rai-tech-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding-top: 1.25rem;
}

.rai-tech-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rai-tech-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--slate-blue, #7F92A6);
  text-transform: uppercase;
}

.rai-tech-desc {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text-secondary, #A9A59A);
  margin: 0;
}

.rai-tech-snippet {
  background: rgba(10, 10, 8, 0.9);
  border: 1px solid var(--border, rgba(237, 232, 216, 0.055));
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent-primary, #C9B27C);
  line-height: 1.5;
  overflow-x: auto;
}

/* ─── SECTION 5: ACCOUNTABILITY & COORDINATED DISCLOSURE PORTAL ──────────── */
.rai-contact-card {
  background: var(--surface, #171714);
  border: 1px solid var(--border2, rgba(237, 232, 216, 0.11));
  border-radius: 16px;
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 4rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.rai-contact-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--accent-primary, #C9B27C);
  text-transform: uppercase;
}

.rai-contact-heading {
  font-family: var(--font-display, 'Bricolage Grotesque', sans-serif);
  font-size: clamp(1.4rem, 2.8vw, 1.8rem);
  font-weight: 700;
  color: var(--text, #F4F2EA);
  letter-spacing: -0.02em;
  margin: 0;
}

.rai-contact-desc {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-secondary, #A9A59A);
  margin: 0;
  max-width: 780px;
}

.rai-contact-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.rai-contact-link {
  color: var(--text, #F4F2EA);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent-primary, #C9B27C);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.rai-contact-link:hover {
  color: var(--accent-primary, #C9B27C);
  border-bottom-style: solid;
}

.rai-contact-link:focus-visible {
  outline: 2px solid var(--accent-primary, #C9B27C);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── RESPONSIVE BREAKPOINTS ─────────────────────────────────────────────── */

/* Tablet & Smaller Desktops (< 1024px) */
@media (max-width: 1024px) {
  .rai-tabs-nav {
    grid-template-columns: repeat(3, 1fr);
  }
  .rai-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet (< 768px) */
@media (max-width: 768px) {
  .rai-wrapper {
    padding: 7rem 1.25rem 4rem;
  }
  .rai-tabs-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }
  .rai-quadrant-grid {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .rai-matrix-grid {
    grid-template-columns: 1fr;
  }
  .rai-panel-canvas {
    padding: 1.75rem 1.35rem;
  }
  .rai-tech-details {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .rai-pullquote-wrap {
    padding: 1.75rem 1.5rem;
    margin: 3.5rem 0;
  }
}

/* Small Mobile (< 480px / 375px / 320px) */
@media (max-width: 480px) {
  .rai-wrapper {
    padding: 6.5rem 1rem 3.5rem;
  }
  .rai-tabs-nav {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .rai-tab-btn {
    padding: 0.85rem 1rem;
  }
  .rai-filament-container {
    display: none; /* Hide decorative connectors on single-column mobile to save vertical real estate */
  }
  .rai-matrix-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .rai-filter-btn {
    justify-content: center;
    width: 100%;
  }
  .rai-telemetry-ribbon {
    flex-direction: column;
    align-items: stretch;
  }
  .rai-telemetry-pill {
    justify-content: center;
    width: 100%;
  }
  .rai-trigger-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .rai-contact-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* ─── PREFERS-REDUCED-MOTION (STRICT ZERO-DURATION ENFORCEMENT) ──────────── */
@media (prefers-reduced-motion: reduce) {
  *:not(.dev-ticker-vertical):not(.dev-ticker-vtrack):not(.dev-ticker-vitem),
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .rai-tabpanel {
    animation: none !important;
  }
  .rai-filament-active {
    transition: none !important;
  }
}