/* =============================================
   Project Dukkha - Main Stylesheet
   A Field Guide to the Rewarded Animal
   ============================================= */

/* Base Styles */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-accent-light);
  text-decoration: underline;
}

/* Layout Containers */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Layout tokens used by header/nav so spacing changes propagate */
:root {
  --nav-height: 48px; /* slimmer header */
  --nav-brand-size: 32px;
}

/* =============================================
   Navigation
   ============================================= */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-surface-elevated);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  height: var(--nav-height);
  box-sizing: border-box;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-text-primary);
}

.brand-symbol {
  font-size: calc(var(--nav-brand-size) * 0.6);
  color: var(--color-accent);
  display: inline-block;
  width: var(--nav-brand-size);
  height: var(--nav-brand-size);
  background-image: url('images/icons/ouroboros-svgrepo-com.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: brightness(0) saturate(100%) invert(77%) sepia(15%) saturate(1068%) hue-rotate(21deg) brightness(94%) contrast(89%);
}

.cta-icon {
  font-size: var(--text-lg);
  color: var(--color-accent);
  display: inline-block;
  width: 20px;
  height: 20px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-4);
}

.nav-link {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: 6px calc(var(--space-2));
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-accent);
  background-color: var(--color-surface);
  text-decoration: none; /* override global anchor underline on hover */
}
.nav-link.active {
  color: var(--color-accent);
  background-color: var(--color-surface);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__toggle {
  cursor: pointer;
}

.nav-dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-normal);
  z-index: 1000;
  list-style: none;
}

.nav-dropdown.open .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__menu li {
  padding: 0;
}

.nav-dropdown__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  text-transform: none;
  letter-spacing: normal;
}

.nav-dropdown__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  text-decoration: none;
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
  /* sit directly beneath the fixed nav (avoid extra visual gap on index) */
  margin-top: var(--nav-height);
  min-height: calc(100vh - var(--nav-height));
  padding: var(--space-12) 0 var(--space-8);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
}

.hero-title {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.hero-subtitle {
  display: block;
  font-family: 'Crimson Text', serif;
  font-style: italic;
  font-size: var(--text-3xl);
  color: var(--color-accent);
  margin-top: var(--space-2);
  font-weight: 700;
}

/* Smaller subtitle for protocol pages (supporting role) */
.hero-subtitle--protocol {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: 400;
  margin-top: var(--space-1);
  max-width: 65ch;
  line-height: 1.5;
  /* match container width and padding for visual symmetry */
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--container-padding);
  box-sizing: border-box;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-ctas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.cta-primary,
.cta-secondary,
.cta-quarter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: var(--text-base);
  transition: all var(--transition-normal);
  text-decoration: none;
  min-width: 200px;
  justify-content: center;
}

.cta-quarter {
  background-color: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  min-width: auto;
  text-align: center;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
}

.cta-quarter:hover {
  background-color: var(--color-accent);
  color: var(--color-background);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.cta-primary {
  background-color: var(--color-accent);
  color: var(--color-background);
  box-shadow: var(--shadow-md);
}

.cta-primary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.cta-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.cta-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Hero Visual - Compass */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.compass-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.compass-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  opacity: 0.6;
  animation: rotate 20s linear infinite;
}

.compass-ring::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.compass-needle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
  height: 160px;
  background: linear-gradient(to bottom, var(--color-accent) 50%, var(--color-text-muted) 50%);
  border-radius: 1px;
  animation: oscillate 4s ease-in-out infinite;
}

.compass-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-background), 0 0 0 6px var(--color-border);
}

/* Intro diagram: bulging phone figure styling (moved from inline styles) */
.intro-diagram .diagram-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.bulging-phone-figure {
  max-width: 460px;
  margin: 0;
}

.bulging-phone-img {
  width: 100%;
  height: auto;
  border-radius: 20px; /* slightly more rounded for modern feel */
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  transform: translateY(-6px);
  display: block;
  transition: transform 220ms var(--ease-in-out, cubic-bezier(.4,0,.2,1)), box-shadow 220ms var(--ease-in-out, cubic-bezier(.4,0,.2,1));
}

.bulging-phone-img:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 26px 60px rgba(0,0,0,0.55);
}

.bulging-phone-caption {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 8px;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes oscillate {
  0%, 100% { transform: translate(-50%, -50%) rotate(-5deg); }
  50% { transform: translate(-50%, -50%) rotate(5deg); }
}

/* Scroll Arrow */
.scroll-arrow {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  opacity: 0.7;
}

.scroll-arrow:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

.scroll-arrow-icon {
  font-size: var(--text-2xl);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  animation: bounce 2s infinite;
}

.scroll-arrow-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* =============================================
   Introduction Section
   ============================================= */

.intro {
  padding: var(--space-32) 0;
  background-color: var(--color-background);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: stretch; /* stretch columns to equal height so diagram matches intro text */
}

.intro-text h2 {
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
  font-size: var(--text-5xl);
}

.intro-text p {
  font-size: var(--text-xl);
  line-height: 1.7;
}

.intro-stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Reward Cycle Diagram */
.intro-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
}

.reward-cycle {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  align-items: center;
  max-width: 680px;
  margin: var(--space-8) auto;
  padding: var(--space-8);
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.cycle-node {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-4) var(--space-3);
  text-align: center;
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
  position: relative;
  line-height: 1.3;
}

.cycle-node:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.cycle-node.trigger { 
  border-left: 3px solid var(--color-warning);
}

.cycle-node.craving { 
  border-left: 3px solid var(--color-error);
}

/* Intro diagram overrides: improve spacing and left alignment */

.intro-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
}

.intro-diagram .diagram-wrapper {
  width: 100%;
  height: auto;
  margin-left: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.intro-diagram .diagram-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--border-radius);
}

@media (max-width: 800px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .intro-diagram {
    justify-content: center;
    padding-left: 0;
    margin-top: var(--space-8);
  }
  .intro-diagram .diagram-wrapper { max-width: 90%; }
}

.cycle-node.response { 
  border-left: 3px solid var(--color-accent);
}

.cycle-node.reward { 
  border-left: 3px solid var(--color-success);
}

.cycle-arrow {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  text-align: center;
  font-weight: 300;
  transition: color var(--transition-normal);
}

.cycle-arrow:hover {
  color: var(--color-accent);
}

.cycle-return {
  grid-column: span 4;
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-3);
  font-weight: 300;
  transition: color var(--transition-normal);
}

.cycle-return:hover {
  color: var(--color-accent);
}

/* =============================================
   Quick Access Section
   ============================================= */

.quick-access {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
  position: relative;
  overflow: hidden;
}

.quick-access::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(201, 169, 97, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-size: var(--text-4xl);
}

.section-subtitle {
  text-align: center;
  margin-bottom: var(--space-16);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

.access-card {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 0;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 380px;
}

.access-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6) var(--space-4);
  background: 
    linear-gradient(135deg, rgba(0, 0, 0, 0.18) 0%, rgba(0, 0, 0, 0.12) 100%),
    linear-gradient(45deg, rgba(201, 169, 97, 0.03) 0%, transparent 50%, rgba(201, 169, 97, 0.02) 100%);
  border: none;
  border-bottom: 3px solid rgba(201, 169, 97, 0.2);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  position: relative;
  transition: all var(--transition-normal);
}

.access-card:hover .card-header {
  border-bottom-color: rgba(201, 169, 97, 0.4);
  background: 
    linear-gradient(135deg, rgba(0, 0, 0, 0.22) 0%, rgba(0, 0, 0, 0.15) 100%),
    linear-gradient(45deg, rgba(201, 169, 97, 0.05) 0%, transparent 50%, rgba(201, 169, 97, 0.03) 100%);
}

.card-icon {
  flex-shrink: 0;
  transition: all var(--transition-normal);
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.card-icon img {
  width: 64px;
  height: 64px;
  transition: all var(--transition-normal);
  filter: invert(58%) sepia(23%) saturate(537%) hue-rotate(8deg) brightness(97%) contrast(87%);
}

/* Make dopamine icon larger */
.card-icon img[src*="Dopamine.svg"] {
  width: 112px;
  height: 112px;
  transform: translateX(8px);
}

.access-card:hover .card-icon {
  opacity: 1;
  transform: scale(1.05);
}

.access-card:hover .card-icon img {
  filter: invert(58%) sepia(23%) saturate(537%) hue-rotate(8deg) brightness(97%) contrast(87%);
  transform: scale(1.1);
}

/* Maintain dopamine icon position on hover */
.access-card:hover .card-icon img[src*="Dopamine.svg"] {
  transform: translateX(8px) scale(1.1);
}

.card-pain-point {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  opacity: 0.8;
  transition: all var(--transition-normal);
}

.pain-indicator {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  font-weight: 500;
}

.pain-text {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  font-weight: 600;
  line-height: 1.2;
  background: linear-gradient(135deg, #fef2f2, #fee2e2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
}

.pain-text::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.05), rgba(239, 68, 68, 0.08));
  pointer-events: none;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .pain-text {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.15), rgba(239, 68, 68, 0.12));
    border-left-color: #f87171;
    color: #fecaca;
  }
  
  .pain-text::before {
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.08), rgba(252, 165, 165, 0.06));
  }
}

.access-card:hover .card-pain-point {
  opacity: 1;
}

.access-card:hover .pain-text {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(220, 38, 38, 0.15);
}

@media (prefers-color-scheme: dark) {
  .access-card:hover .pain-text {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(248, 113, 113, 0.15));
    box-shadow: 0 2px 4px rgba(248, 113, 113, 0.2);
  }
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  gap: var(--space-3);
}

.card-title {
  font-size: var(--text-3xl);
  margin: 0;
  color: var(--color-text-primary);
  font-weight: 600;
  line-height: 1.2;
}

.card-theme {
  font-family: 'Crimson Text', serif;
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-accent);
  margin: 0;
  font-weight: 600;
}

.card-description {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
  font-size: var(--text-base);
  flex: 1;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background-color: var(--color-accent);
  color: var(--color-background);
  font-weight: 600;
  font-size: var(--text-base);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  margin-top: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.card-cta:hover {
  background-color: var(--color-accent-light);
  color: var(--color-background);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

/* =============================================
   Evidence Preview
   ============================================= */

.evidence-preview {
  padding: var(--space-24) 0;
  background-color: var(--color-background);
}

.evidence-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.evidence-content h2 {
  margin-bottom: var(--space-6);
}

.evidence-content p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-12);
}

.evidence-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.pillar {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}

.pillar:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.pillar-header {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--text-base);
}

.pillar-stat {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
}

/* =============================================
   Footer
   ============================================= */

.footer {
  background-color: var(--color-background); /* Different background from footnotes */
  border-top: 2px solid var(--color-accent); /* Stronger, colored border */
  padding: var(--space-6) 0 var(--space-4); /* Reduced from space-12 and space-8 */
  margin-top: var(--space-8); /* Additional top margin for separation */
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4); /* Reduced from space-8 */
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  align-items: center; /* vertically center links and icons */
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

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

/* GitHub icon in footer - replaces contact button */
.github-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; /* slightly larger container for better spacing */
  height: 44px;
  border-radius: 6px;
  background: transparent;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  vertical-align: middle; /* keep the icon aligned with adjacent text */
}
.github-link:hover {
  background: rgba(255,255,255,0.04);
  transform: none; /* avoid shifting baseline relative to text */
}
.github-icon {
  width: 24px; /* increased size for crisper rendering */
  height: 24px;
  display: block;
  filter: none; /* ensure white SVG is not inverted/darkened */
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}

.footer-note {
  text-align: center;
  padding-top: var(--space-4); /* Reduced from space-8 */
  border-top: 1px solid var(--color-border);
}

.footer-note p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* =============================================
   Page Content & Layout
   ============================================= */

.page-content {
  /* match the fixed nav height + small gap */
  margin-top: calc(var(--nav-height) + var(--space-2));
  padding: var(--space-8) 0 var(--space-16);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Hero sections for content pages */
.hero-attention,
.hero-recovery,
.hero-myths,
.hero-model,
.hero-library,
.hero-protocols {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--space-16) var(--space-8);
  margin-bottom: var(--space-16);
  border-left: 6px solid var(--color-accent);
  position: relative;
  overflow: hidden;
}

.hero-attention::before,
.hero-recovery::before,
.hero-myths::before,
.hero-model::before,
.hero-library::before,
.hero-protocols::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at center, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-attention h1,
.hero-recovery h1,
.hero-myths h1,
.hero-model h1,
.hero-library h1,
.hero-protocols h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  line-height: 1.1;
}

.tagline {
  font-family: 'Crimson Text', serif;
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  font-weight: 600;
}

.hero-attention p:not(.tagline),
.hero-recovery p:not(.tagline),
.hero-myths p:not(.tagline),
.hero-model p:not(.tagline),
.hero-library p:not(.tagline),
.hero-protocols p:not(.tagline) {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Content sections */
.content-claims,
.protocol-section,
.diagram-section {
  margin-bottom: var(--space-16);
}

/* Book-style opening: make the first letter of the first paragraph in
   content pages larger (drop-cap) and slightly lift the opening paragraph
   for a more editorial, book-like lead-in. Responsive fallbacks included. */
.content-claims p:first-of-type {
  /* slightly amplify the opening paragraph weight/size for emphasis */
  font-size: clamp(1.0625rem, 1rem + 0.2vw, 1.125rem);
  line-height: 1.65;
  margin-top: var(--space-4);
}
.content-claims p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-weight: 700;
  /* responsive drop-cap size */
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 0.75;
  margin-right: clamp(0.5rem, 1.5vw, 1rem);
  color: var(--color-accent);
  text-transform: none; /* preserve case */
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 600px) {
  .content-claims p:first-of-type::first-letter {
    font-size: 2rem;
    line-height: 0.9;
    margin-right: 0.5rem;
  }
}

.content-claims h2,
.protocol-section h2,
.diagram-section h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-4);
}

/* Claim blocks */
.claim-block {
  background-color: var(--color-surface-elevated);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.claim-block:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 169, 97, 0.3);
}

.claim-block h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
  line-height: 1.3;
}

.claim-block p {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}

.claim-block p:last-child {
  margin-bottom: 0;
}

/* Protocol sections */
.protocol-steps {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  border-left: 4px solid var(--color-accent);
}

.protocol-steps h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.protocol-steps ol {
  counter-reset: protocol-counter;
  list-style: none;
  padding-left: 0;
}

.protocol-steps li {
  counter-increment: protocol-counter;
  margin-bottom: var(--space-6);
  padding-left: var(--space-8);
  position: relative;
  line-height: 1.6;
}

.protocol-steps li::before {
  content: counter(protocol-counter);
  position: absolute;
  left: 0;
  top: 0;
  background-color: var(--color-accent);
  color: var(--color-background);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
}

.protocol-steps strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Limits & Safety */
.limits-safety {
  background-color: #fef7cd;
  border: 1px solid #f59e0b;
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

@media (prefers-color-scheme: dark) {
  .limits-safety {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
  }
}

.limits-safety h3 {
  color: #92400e;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (prefers-color-scheme: dark) {
  .limits-safety h3 {
    color: #fbbf24;
  }
}

.limits-safety h3::before {
  content: "⚠️";
  font-size: var(--text-base);
}

.limits-safety ul {
  margin: 0;
  padding-left: var(--space-6);
}

.limits-safety li {
  margin-bottom: var(--space-3);
  line-height: 1.6;
  color: #92400e;
}

@media (prefers-color-scheme: dark) {
  .limits-safety li {
    color: #fcd34d;
  }
}

.limits-safety strong {
  font-weight: 600;
}

/* Print checklist */
.print-checklist {
  background-color: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
  page-break-inside: avoid;
}

.print-checklist h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.print-checklist ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.print-checklist li {
  padding: var(--space-2) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.print-checklist li::before {
  content: "☐ ";
  color: var(--color-accent);
  margin-right: var(--space-2);
}

/* Diagram sections */
.diagram-section {
  text-align: center;
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin: var(--space-12) 0;
}

.diagram-section figure {
  margin: 0;
}

.diagram-section img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.diagram-section figcaption {
  margin-top: var(--space-4);
  margin-bottom: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   Footnotes
   ============================================= */

.footnotes {
  background-color: var(--color-surface);
  padding: var(--space-12) 0;
  border-top: 2px solid var(--color-border);
  margin-top: var(--space-16);
  /* Add bottom margin to create space before footer */
  margin-bottom: var(--space-8);
}

.footnotes h3 {
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.footnotes h3:hover {
  color: var(--color-accent);
}

.footnotes h3::after {
  content: "▼";
  font-size: var(--text-sm);
  transition: transform var(--transition-fast);
}

.footnotes.collapsed h3::after {
  transform: rotate(-90deg);
}

.footnote-list {
  list-style: none;
  counter-reset: footnote-counter;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.footnotes.collapsed .footnote-list {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

.footnote-list li {
  counter-increment: footnote-counter;
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-surface-elevated);
  border-radius: var(--border-radius);
  border-left: 3px solid var(--color-accent);
  position: relative;
  transition: all var(--transition-normal);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.footnote-list li:hover {
  border-left-width: 5px;
  background-color: var(--color-background);
}

.footnote-list li:before {
  content: "[" counter(footnote-counter) "]";
  font-weight: 600;
  color: var(--color-accent);
  margin-right: var(--space-2);
  font-family: var(--font-mono);
}

.footnote-list li.highlight {
  background-color: var(--color-accent);
  color: var(--color-background);
  border-left-color: var(--color-background);
}

.footnote-list li.highlight a {
  color: var(--color-background);
  opacity: 0.9;
}

.footnote-link {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  background-color: rgba(201, 169, 97, 0.1);
  border-radius: var(--border-radius);
  display: inline-block;
  line-height: 1;
}

.footnote-link:hover {
  color: var(--color-accent-light);
  background-color: rgba(201, 169, 97, 0.2);
  transform: translateY(-1px);
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 1024px) {
  .hero-container,
  .intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
  
  .nav-menu {
    gap: var(--space-4);
  }
  
  .evidence-pillars {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .access-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
    --text-5xl: 2.25rem;  /* Reduce hero title size */
    --text-4xl: 1.875rem; /* Reduce section titles */
  }
  
  .nav-container {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
  }
  
  .hero {
  margin-top: var(--nav-height); /* Account for mobile nav spacing */
  padding: var(--space-16) 0;
  }
  
  .intro-stats {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .access-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .access-card {
    min-height: 320px;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  
  .card-pain-point {
    align-items: flex-start;
    text-align: left;
  }
  
  .card-icon {
    width: 90px;
    height: 90px;
  }
  
  .card-icon img {
    width: 56px;
    height: 56px;
  }
  
  /* Make dopamine icon larger on mobile too */
  .card-icon img[src*="Dopamine.svg"] {
    width: 98px;
    height: 98px;
    transform: translateX(6px);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }
  
  .compass-container {
    width: 200px;
    height: 200px;
  }
  
  .compass-needle {
    height: 80px;
  }
}

@media (max-width: 480px) {
  .reward-cycle {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    text-align: center;
  }
  
  .cycle-arrow.cycle-return {
    grid-column: 1;
    transform: rotate(90deg);
  }
  
  .section-title {
    margin-bottom: var(--space-8);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .hero-description {
    font-size: var(--text-base);
  }
}

/* =============================================
   Accessibility Enhancements
   ============================================= */

/* Focus Styles */
a:focus,
button:focus,
.nav-link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000;
    --color-text-secondary: var(--color-text-primary);
  }
  
  .access-card,
  .pillar,
  .footnote-list li {
    border-width: 2px;
  }
}

/* =============================================
   Myths Page Styling Updates
   ============================================= */

/* Update content-myths section to match content-claims styling */
.content-myths {
  margin-bottom: var(--space-16);
}

.content-myths h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-4);
}

/* Style myth blocks to match claim blocks */
.myth-block {
  background-color: var(--color-surface-elevated);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.myth-block:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 169, 97, 0.3);
}

.myth-block h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
  line-height: 1.3;
}

.myth-block p {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}

.myth-block p:last-child {
  margin-bottom: 0;
}

/* Action box styling - new component for myths page */
.action-box {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  margin-top: var(--space-6);
  position: relative;
  overflow: hidden;
}

.action-box::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at center, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.action-box h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.action-box h4::before {
  content: "⚡";
  font-size: var(--text-base);
  color: var(--color-accent);
}

.action-box p {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Enhanced truth heading with better visual hierarchy */
.truth-heading {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(34, 197, 94, 0.04));
  border-left: 4px solid #22c55e;
  border-radius: var(--border-radius);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-4) 0 var(--space-6);
  font-weight: 600;
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
  animation: fadeInTruth 0.6s ease-out;
}

.truth-heading::before {
  content: "✓";
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  background: #22c55e;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  font-style: normal;
}

.truth-heading:hover {
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Dark mode adjustments for truth heading */
@media (prefers-color-scheme: dark) {
  .truth-heading {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.08));
    border-left-color: #16a34a;
  }
  
  .truth-heading::before {
    background: #16a34a;
  }
}

@keyframes fadeInTruth {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments for myths page */
@media (max-width: 768px) {
  .truth-heading {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    margin: var(--space-3) 0 var(--space-4);
  }
  
  .truth-heading::before {
    width: 20px;
    height: 20px;
    font-size: 12px;
  }
  
  .action-box {
    padding: var(--space-4);
    margin-top: var(--space-4);
  }
  
  .action-box h4 {
    font-size: var(--text-base);
  }
  
  .myth-block {
    padding: var(--space-6);
  }
}

/* =============================================
   Reward Compass Interactive Component
   (upgraded visuals — uses site tokens, subtle gradients, backdrop blur)
   ============================================= */

.reward-compass-container {
  background: linear-gradient(180deg, var(--color-surface-elevated) 0%, rgba(201,169,97,0.02) 100%);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius-lg) + 6px);
  /* responsive padding with better scaling */
  padding: clamp(var(--space-7), 2.5vw, var(--space-9));
  margin: clamp(var(--space-7), 2vw, var(--space-10)) 0;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 860px; /* slightly reduced overall width */
  margin-left: auto;
  margin-right: auto;
  backdrop-filter: blur(8px);
  overflow: visible;
  position: relative;
}

.compass-title {
  text-align: center;
  margin-bottom: var(--space-8);
}

.compass-title h3 {
  font-size: calc(var(--text-3xl) + 0.1rem);
  color: var(--color-text-primary);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.compass-title p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  font-weight: 500;
}

.compass-disclaimer {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  margin-left: var(--space-2);
  margin-right: var(--space-2);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
  line-height: 1.5;
}

.matrix-wrapper {
  position: relative;
  width: 100%;
  /* increase size and adjust aspect ratio for better content fit */
  aspect-ratio: 4 / 3;
  max-width: 760px; /* slightly smaller matrix for tighter layout */
  margin: var(--space-8) auto var(--space-12);
  overflow: visible;
}

.matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  /* slightly reduced gap for a tighter matrix */
  gap: clamp(12px, 1.6vw, 18px);
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 0;
  padding: clamp(12px, 2vw, 20px);
  align-items: stretch; /* make grid items stretch to fill rows */
  justify-items: stretch;
  grid-auto-rows: 1fr; /* ensure rows distribute evenly */
}
.matrix::before {
  /* faint noise/shine layer so quadrants read as cards */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.quadrant {
  box-sizing: border-box;
  margin: 0; /* spacing handled by grid gap */
  padding: clamp(var(--space-4), 2vw, var(--space-6));
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-fast);
  cursor: pointer;
  position: relative;
  z-index: 1;
  /* semi-transparent card so subtle matrix tint shows through */
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(4px) saturate(1.02);
  border-right: 1px solid rgba(0,0,0,0.02);
  border-radius: calc(var(--border-radius) - 2px);
  /* gentle base elevation */
  box-shadow: 0 8px 18px rgba(15,23,42,0.06);
  transform-origin: center center;
  /* allow content to display properly */
  overflow: visible;
  height: 100%; /* fill the grid cell */
  min-height: clamp(140px, 18vh, 200px); /* larger min-height so descriptions don't overflow */
}

.quadrant:hover {
  transform: translateY(-10px) scale(1.04);
  /* outer lift shadow + subtle inner bevel highlight */
  box-shadow:
    0 40px 90px rgba(15,23,42,0.16),
    inset 0 8px 16px rgba(177, 177, 143, 0.25),
    inset 0 -8px 16px rgba(0,0,0,0.04);
  z-index: 6;
}

.quadrant-icon {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  /* place icon inline with title */
  display: inline-block;
  vertical-align: middle;
  margin: 0; /* spacing handled by header gap */
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.08));
}

.quadrant-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  display: inline-block;
  vertical-align: middle;
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-serif);
}

.quadrant-subtitle {
  font-size: var(--text-base);
  font-family: 'Crimson Text', serif;
  font-style: italic;
  color: var(--color-accent);
  margin: 0;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.01em;
}

.quadrant-description {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin: 0;
  padding: 0;
  max-width: 46ch; /* constrain text measure for readability */
}

/* On very narrow screens stack icon above title to preserve readability */
@media (max-width: 480px) {
  .quadrant-icon, .quadrant-title {
    display: block;
    margin: 0 0 var(--space-2) 0;
    text-align: center;
  }
}

/* Quadrant header: align icon left of title on the same line */
.quadrant-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  margin-bottom: 0; /* gap handles spacing */
}

/* Slightly reduce title margin when inside header (prevents double-spacing) */
.quadrant-header .quadrant-title {
  margin-bottom: 0;
}

/* Quadrant accents — keep semantic color cues, but softened */
.compulsive-seeking { 
  background-color: rgba(254,243,199,0.85);
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.02);
}

.optimal-flow { 
  /* clearer, slightly stronger green for better legibility */
  background-color: rgba(34,197,94,0.18); /* tailwind emerald-500 at low alpha */
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.02);
}

.burnout { 
  background-color: rgba(254,226,226,0.9);
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.02);
}

.low-drive { 
  background-color: rgba(224,242,254,0.9);
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.02);
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .reward-compass-container { backdrop-filter: blur(6px); }
  .compulsive-seeking { background-color: rgba(217,119,6,0.226); }
  .optimal-flow { 
  /* slightly stronger green in dark mode */
  background-color: rgba(16, 185, 106, 0.28);
  }
  .burnout { background-color: rgba(220,38,38,0.226); }
  .low-drive { background-color: rgba(69, 75, 114, 0.301); }
}

/* Axes Labels */
.axes-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.axis-label {
  position: absolute;
  font-weight: 700;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  /* avoid forcing uppercase here — axis labels may contain symbols (e.g. μ) */
  text-transform: none;
  letter-spacing: 0.03em;
  pointer-events: auto;
  cursor: help;
}

.axis-label:hover { color: var(--color-text-primary); }

.axis-label::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-surface-elevated);
  border-radius: var(--border-radius);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  font-size: var(--text-xs);
  z-index: 10;
}

.axis-label:hover::before { opacity: 1; visibility: visible; }

/* Prefer sentence-case for axis labels to avoid symbol uppercasing issues
   (lowercase entire string then uppercase first letter) */
.axes-container .axis-label {
  text-transform: lowercase;
}
.axes-container .axis-label::first-letter {
  text-transform: uppercase;
}

.y-axis {
  position: absolute; /* position relative to .matrix-wrapper (which is already relative) */
  left: 118px; /* align to the left edge of the matrix-wrapper so it sits inside the container margin */
  top: 50%;
  /* shift left by its full width and vertically center, then rotate */
  transform: translate(-100%, -50%) rotate(-90deg);
  transform-origin: center center;
  white-space: nowrap;
}

.x-axis {
  /* properly positioned below matrix */
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
}

/* Solid axes lines with arrowheads centered on the matrix origin */
.axis-line {
  position: absolute;
  pointer-events: none;
}

/* Horizontal axis: full width, centered vertically */
.axis-line-x {
  left: 0;
  bottom: 0; /* anchor to bottom of the matrix */
  width: 100%;
  height: 2px;
  background: var(--color-text-muted);
  transform: none;
  z-index: 2; /* above quadrant backgrounds, below hovered elevation */
}
.axis-line-x::after {
  content: '';
  position: absolute;
  right: -8px; /* nudge slightly outside the axis end */
  top: 50%;
  transform: translateY(-50%);
  border-width: 6px 0 6px 10px;
  border-style: solid;
  border-color: transparent transparent transparent var(--color-text-muted);
}

/* Vertical axis: full height, centered horizontally */
.axis-line-y {
  left: 0;
  bottom: 0; /* anchor to left edge and bottom */
  width: 2px;
  height: 100%;
  background: var(--color-text-muted);
  transform: none;
  z-index: 2;
}
.axis-line-y::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  /* center horizontally and nudge so the arrowhead sits on the axis end, then flip 180deg */
  transform: translate(-50%, -50%) rotate(180deg);
  border-width: 10px 6px 0 6px;
  border-style: solid;
  border-color: var(--color-text-muted) transparent transparent transparent;
}

/* Responsive Design - General screen adjustments only */
@media (max-width: 1024px) {
  .reward-compass-container {
    max-width: 850px;
    padding: clamp(var(--space-6), 2.5vw, var(--space-8));
  }
  .matrix-wrapper {
    max-width: 700px;
  }
  .y-axis {
    left: 0;
  }
  .x-axis {
    bottom: -30px;
  }
}

@media (max-width: 768px) {
  .reward-compass-container {
    max-width: 95vw;
    padding: var(--space-6);
  }
  .matrix-wrapper {
    max-width: 90vw;
  }
  .quadrant {
    padding: var(--space-4);
    min-height: 100px;
  }
  .quadrant-icon {
    font-size: 1.75rem;
  }
  .quadrant-title {
    font-size: var(--text-lg);
  }
  .y-axis {
    left: 0;
    font-size: var(--text-xs);
  }
  .x-axis {
    bottom: -30px;
    font-size: var(--text-xs);
  }
}