/* ===== CSS Variables ===== */
:root {
  /* Light Cream Theme */
  --color-bg: #faf8f5;
  --color-bg-alt: #f5f2ed;
  --color-surface: #ffffff;
  --color-surface-hover: #fdfcfa;
  
  --color-text: #1a1a1a;
  --color-text-secondary: #5c5c5c;
  --color-text-muted: #8a8a8a;
  
  --color-accent: #c9a66b;
  --color-accent-hover: #b08d4f;
  --color-accent-light: rgba(201, 166, 107, 0.12);
  
  --color-border: #e8e4dd;
  --color-border-light: #f0ece6;
  
  /* Dark Footer */
  --color-footer-bg: #1a1a1a;
  --color-footer-text: #f5f2ed;
  --color-footer-muted: #8a8a8a;
  
  /* Floating Icons - Darker */
  --color-float: #c9a66b;
  --color-float-opacity: 0.25;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --content-width: 900px;
  --nav-height: 72px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Hide scrollbar but keep functionality */
  scrollbar-width: none; /* Firefox */
}

html::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  /* Hide scrollbar but keep functionality */
  -ms-overflow-style: none; /* IE and Edge */
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===== Loader ===== */
.loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(200,166,107,0.12), transparent 40%),
              radial-gradient(circle at 80% 0%, rgba(124,144,130,0.12), transparent 45%),
              var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow: hidden;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.loader-logo {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  animation: loaderPulse 2s ease-in-out infinite;
}

.loader-logo span {
  color: var(--color-accent);
}

.loader-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.loader-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  font-style: italic;
}

/* Story Book Loader */
.loader-book {
  width: 80px;
  height: 60px;
  position: relative;
  margin: 0 auto;
}

.loader-book-pages {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  perspective: 400px;
}

.loader-book-page {
  position: absolute;
  width: 40px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: 0 4px 4px 0;
  transform-origin: left center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.loader-book-page:nth-child(1) {
  left: 40px;
  animation: flipPage 1.4s ease-in-out infinite;
  animation-delay: 0s;
  z-index: 3;
}

.loader-book-page:nth-child(2) {
  left: 40px;
  animation: flipPage 1.4s ease-in-out infinite;
  animation-delay: 0.2s;
  z-index: 2;
}

.loader-book-page:nth-child(3) {
  left: 40px;
  animation: flipPage 1.4s ease-in-out infinite;
  animation-delay: 0.4s;
  z-index: 1;
}

.loader-book-spine {
  position: absolute;
  left: 38px;
  top: 0;
  width: 4px;
  height: 50px;
  background: var(--color-accent);
  border-radius: 2px;
}

.loader-book-cover {
  position: absolute;
  width: 40px;
  height: 50px;
  background: var(--color-accent);
  border-radius: 4px 0 0 4px;
  left: 0;
  box-shadow: inset -2px 0 4px rgba(0,0,0,0.1);
}

@keyframes flipPage {
  0%, 100% {
    transform: rotateY(0deg);
  }
  50% {
    transform: rotateY(-180deg);
  }
}

/* Floating elements in loader */
.loader-floats {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.loader-float {
  position: absolute;
  width: 50px;
  height: 50px;
  color: var(--color-text);
  opacity: 0.4;
  animation: loaderFloat 10s ease-in-out infinite;
}

.loader-float-1 {
  top: 15%;
  left: 10%;
  animation-duration: 12s;
  animation-delay: 0s;
}

.loader-float-2 {
  top: 25%;
  right: 15%;
  width: 60px;
  height: 60px;
  animation-duration: 14s;
  animation-delay: -2s;
}

.loader-float-3 {
  bottom: 20%;
  left: 15%;
  width: 55px;
  height: 55px;
  animation-duration: 11s;
  animation-delay: -4s;
}

.loader-float-4 {
  bottom: 30%;
  right: 10%;
  animation-duration: 15s;
  animation-delay: -6s;
}

.loader-float-5 {
  top: 45%;
  left: 8%;
  width: 45px;
  height: 45px;
  animation-duration: 13s;
  animation-delay: -8s;
}

.loader-float-6 {
  top: 60%;
  right: 12%;
  width: 65px;
  height: 65px;
  animation-duration: 10s;
  animation-delay: -10s;
}

@keyframes loadProgress {
  to { width: 100%; }
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes loaderFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-25px) rotate(15deg) scale(1.05); }
}

/* ===== Progress Bar in Header ===== */
.progress-bar {
  position: fixed;
  top: calc(var(--nav-height) - 2px);
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), #b85c38);
  z-index: 1001;
  transition: width 0.1s ease-out;
  border-radius: 0 1px 1px 0;
}

/* ===== Chapter Progress Indicator (Side) ===== */
.chapter-progress-indicator {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.chapter-progress-indicator.visible {
  opacity: 1;
}

.chapter-progress-track {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 12px 8px;
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.chapter-dot {
  position: relative;
  width: 12px;
  height: 12px;
  cursor: pointer;
  z-index: 2;
}

.chapter-dot-inner {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.chapter-dot:hover .chapter-dot-inner {
  background: var(--color-accent);
  transform: scale(1.2);
}

.chapter-dot.passed .chapter-dot-inner {
  background: var(--color-accent);
}

.chapter-dot.active .chapter-dot-inner {
  background: var(--color-accent);
  transform: scale(1.4);
  box-shadow: 0 0 0 3px rgba(201, 166, 107, 0.3);
}

.chapter-dot-label {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.chapter-dot:hover .chapter-dot-label,
.chapter-dot.active .chapter-dot-label {
  opacity: 1;
  right: 28px;
  color: var(--color-accent);
}

.chapter-progress-line {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 0%;
  background: var(--color-accent);
  border-radius: 1px;
  transition: height 0.3s ease;
  z-index: 1;
}

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

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--color-accent) 0%, 
    var(--color-terracotta) 50%, 
    var(--color-accent) 100%);
  background-size: 200% 100%;
  z-index: 999;
  transition: width 0.15s ease-out;
  box-shadow: 
    0 0 10px rgba(201, 166, 107, 0.6),
    0 0 20px rgba(201, 166, 107, 0.3),
    0 2px 4px rgba(0, 0, 0, 0.1);
  animation: progressShimmer 3s ease-in-out infinite;
}

.reading-progress-bar::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 
    0 0 8px rgba(201, 166, 107, 0.8),
    0 0 16px rgba(201, 166, 107, 0.5);
  animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes progressPulse {
  0%, 100% { 
    transform: translateY(-50%) scale(1);
    opacity: 1;
  }
  50% { 
    transform: translateY(-50%) scale(1.3);
    opacity: 0.7;
  }
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--transition-base);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(250, 248, 245, 0.95);
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link.active {
  color: var(--color-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
}

.nav-dropdown-trigger:hover {
  color: var(--color-text);
}

.nav-dropdown-trigger svg {
  transition: transform var(--transition-fast);
}

.nav-dropdown.active .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  min-width: 720px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1001;
  max-height: 500px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: var(--space-2);
}

.nav-dropdown.active .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
  border-radius: var(--radius-md);
  margin: 2px;
}

.nav-dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.nav-dropdown-header {
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: none;
  grid-column: 1 / -1;
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
  grid-column: 1 / -1;
}

.dropdown-chapter-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  min-width: 45px;
}

.dropdown-chapter-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-chapter-company {
  font-weight: 500;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.dropdown-chapter-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Mobile Navigation Dropdown */
.mobile-nav-dropdown {
  width: 100%;
}

.mobile-dropdown-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-size: var(--text-xl);
  padding: var(--space-3) 0;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.mobile-dropdown-trigger svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.mobile-nav-dropdown.active .mobile-dropdown-trigger svg {
  transform: rotate(180deg);
}

.mobile-nav-dropdown.active .mobile-dropdown-trigger {
  color: var(--color-accent);
}

.mobile-dropdown-menu {
  display: none;
  flex-direction: column;
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-accent);
  margin: var(--space-2) 0 var(--space-4) var(--space-2);
  max-height: 50vh;
  overflow-y: auto;
  gap: var(--space-1);
}

.mobile-nav-dropdown.active .mobile-dropdown-menu {
  display: flex;
}

.mobile-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  background: transparent;
}

.mobile-dropdown-item:hover,
.mobile-dropdown-item:active {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.mobile-dropdown-item .dropdown-chapter-num {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
  min-width: 40px;
}

.mobile-dropdown-item .dropdown-chapter-company {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* View All Chapters link in mobile */
.mobile-dropdown-item:first-child {
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-2);
  border-radius: 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-social:hover {
  color: var(--color-text);
  background: var(--color-accent-light);
}

.nav-resume {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-terracotta) 100%);
  color: var(--color-cream);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-resume:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.nav-resume::after {
  content: 'The Full Picture · condensed into one page';
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-cream);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-terracotta) 100%);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.25);
}

.nav-resume::before {
  content: '';
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  border: 6px solid transparent;
  border-bottom-color: var(--color-gold);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.nav-resume:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-resume:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-cta {
  padding: var(--space-2) var(--space-5);
  background: var(--color-accent);
  color: white;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
}

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

.mobile-menu-content {
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu-content .nav-link {
  font-size: var(--text-xl);
  padding: var(--space-3) 0;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: calc(var(--nav-height) + var(--space-12)) var(--space-6) var(--space-12);
  overflow: hidden;
}

/* Floating Elements - Prominent & Smooth Parallax */
.floating-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-icon {
  position: absolute;
  color: var(--color-float);
  opacity: var(--color-float-opacity);
  will-change: transform, opacity;
  transition: transform 0.15s ease-out, opacity 0.3s ease;
}

.floating-db {
  width: 80px;
  height: 80px;
  top: 15%;
  left: 8%;
  animation: floatSlow 20s ease-in-out infinite;
}

.floating-cloud {
  width: 100px;
  height: 100px;
  top: 20%;
  right: 10%;
  animation: floatMedium 18s ease-in-out infinite;
  animation-delay: -3s;
}

.floating-chip {
  width: 90px;
  height: 90px;
  bottom: 20%;
  right: 8%;
  animation: floatSlow 22s ease-in-out infinite;
  animation-delay: -6s;
}

.floating-code {
  width: 70px;
  height: 70px;
  bottom: 25%;
  left: 6%;
  animation: floatMedium 16s ease-in-out infinite;
  animation-delay: -9s;
}

.floating-metrics {
  width: 75px;
  height: 75px;
  top: 50%;
  left: 12%;
  animation: floatSlow 19s ease-in-out infinite;
  animation-delay: -12s;
}

.floating-server {
  width: 85px;
  height: 85px;
  top: 40%;
  right: 12%;
  animation: floatMedium 21s ease-in-out infinite;
  animation-delay: -15s;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(3deg); }
  50% { transform: translateY(-10px) rotate(-2deg); }
  75% { transform: translateY(-25px) rotate(2deg); }
}

@keyframes floatMedium {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-15px) rotate(-3deg); }
  66% { transform: translateY(-30px) rotate(3deg); }
}

/* Hero Container */
.hero-container {
  max-width: var(--content-width);
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-accent-light);
  border: 1px solid rgba(201, 166, 107, 0.25);
  border-radius: 9999px;
  font-size: var(--text-sm);
  color: var(--color-accent-hover);
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.hero-title {
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-line {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero-line-accent {
  color: #7c9082; /* Sage green for "tells a story" */
}

.hero-highlight {
  color: #b85c38; /* Terracotta/rust for "This is mine" */
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 650px;
  margin: 0 auto var(--space-6);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Hero Meta */
.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin: 0 auto var(--space-8);
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-read-time {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* Hero Actions */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Hero CTA */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.hero-cta-primary {
  background: var(--color-accent);
  color: white;
}

.hero-cta-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 166, 107, 0.3);
}

.hero-cta-primary svg {
  animation: bounce 2s infinite;
}

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

.hero-cta-secondary:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.hero-cta-secondary svg {
  width: 18px;
  height: 18px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(4px); }
  60% { transform: translateY(2px); }
}

/* Section Floating Graphics */
.section-floating-graphics {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.float-graphic {
  position: absolute;
  width: 200px;
  height: 200px;
  stroke: var(--color-accent);
  opacity: 0.15;
  animation: floatDrift 20s ease-in-out infinite;
}

.float-graphic-1 {
  top: 10%;
  left: 5%;
  animation-delay: 0s;
  animation-duration: 25s;
}

.float-graphic-2 {
  top: 50%;
  right: 5%;
  animation-delay: 5s;
  animation-duration: 30s;
  width: 250px;
  height: 250px;
}

.float-graphic-3 {
  bottom: 15%;
  left: 8%;
  animation-delay: 10s;
  animation-duration: 22s;
  width: 180px;
  height: 180px;
}

@keyframes floatDrift {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(20px, -20px) rotate(5deg);
  }
  50% {
    transform: translate(-10px, 30px) rotate(-3deg);
  }
  75% {
    transform: translate(15px, 10px) rotate(4deg);
  }
}

.quests-section,
.education-section {
  position: relative;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  animation: fadeIn 1s ease-out 0.8s both;
}

.scroll-mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-radius: 13px;
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Chapter Sections with Stacking Parallax ===== */
#chapters {
  position: relative;
  z-index: 1;
}

.chapter-wrapper {
  position: relative;
}

.chapter {
  position: relative;
  min-height: auto;
  padding: var(--space-12) 0 var(--space-16);
  background: var(--color-bg);
  opacity: 1;
  transform: none;
  overflow: hidden;
}

/* Sketchy background graphics for chapters */
.chapter-bg-graphic {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  width: 350px;
  height: 350px;
  color: var(--color-accent);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.chapter.in-view .chapter-bg-graphic {
  opacity: 1;
  animation: sketchyFloat 20s ease-in-out infinite;
}

@keyframes sketchyFloat {
  0%, 100% {
    transform: translateY(-50%) rotate(0deg);
  }
  25% {
    transform: translateY(calc(-50% - 10px)) rotate(1deg);
  }
  50% {
    transform: translateY(calc(-50% + 5px)) rotate(-1deg);
  }
  75% {
    transform: translateY(calc(-50% - 5px)) rotate(0.5deg);
  }
}

/* Animate chapter content elements on scroll */
.chapter .chapter-header,
.chapter .chapter-story,
.chapter .chapter-journey,
.chapter .chapter-outcome {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.chapter.in-view .chapter-header,
.chapter.in-view .chapter-story,
.chapter.in-view .chapter-journey,
.chapter.in-view .chapter-outcome {
  opacity: 1;
  transform: translateY(0);
}

.chapter.in-view .chapter-story {
  transition-delay: 0.15s;
}

.chapter.in-view .chapter-journey {
  transition-delay: 0.3s;
}

.chapter.in-view .chapter-outcome {
  transition-delay: 0.45s;
}

.chapter-wrapper:nth-child(odd) .chapter {
  background: var(--color-bg);
}

.chapter-wrapper:nth-child(even) .chapter {
  background: var(--color-bg-alt);
}

/* Stacking z-index: later chapters appear on top */
.chapter-wrapper:nth-child(1) .chapter { z-index: 1; }
.chapter-wrapper:nth-child(2) .chapter { z-index: 2; }
.chapter-wrapper:nth-child(3) .chapter { z-index: 3; }
.chapter-wrapper:nth-child(4) .chapter { z-index: 4; }
.chapter-wrapper:nth-child(5) .chapter { z-index: 5; }
.chapter-wrapper:nth-child(6) .chapter { z-index: 6; }
.chapter-wrapper:nth-child(7) .chapter { z-index: 7; }
.chapter-wrapper:nth-child(8) .chapter { z-index: 8; }
.chapter-wrapper:nth-child(9) .chapter { z-index: 9; }

/* Last chapter wrapper */
.chapter-wrapper:last-child .chapter {
  position: relative;
  z-index: 10;
  min-height: auto;
}

/* Chapter content */
.chapter-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

/* Chapter Header */
.chapter-header {
  max-width: var(--content-width);
  margin-bottom: var(--space-12);
}

.chapter-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.chapter-number {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bg);
  background: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
  box-shadow: 0 2px 8px rgba(201, 166, 107, 0.3);
}

.chapter-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.chapter-company {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  line-height: 1.4;
}

.chapter-company strong {
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--text-xl);
}

.company-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  padding: var(--space-1) var(--space-2);
  margin-left: calc(var(--space-2) * -1);
  border-radius: var(--radius-md);
}

.company-link:hover {
  background: var(--color-surface);
  transform: translateY(-1px);
}

.company-link:hover strong {
  color: var(--color-accent);
}

.company-favicon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  vertical-align: middle;
}

.chapter-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.chapter-role {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.chapter-tagline {
  font-size: var(--text-lg);
  color: var(--color-accent);
  font-style: italic;
}

/* Chapter Story - Context & Challenge */
.chapter-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.story-block {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.story-block h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.story-block p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Chapter Journey - Timeline */
.chapter-journey {
  margin-bottom: var(--space-12);
}

.journey-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-8);
}

.journey-steps {
  position: relative;
  padding-left: var(--space-12);
}

.journey-steps::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.journey-step {
  position: relative;
  padding-bottom: var(--space-8);
}

.journey-step:last-child {
  padding-bottom: 0;
}

.journey-step-number {
  position: absolute;
  left: calc(-1 * var(--space-12));
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  font-family: var(--font-mono);
  z-index: 1;
}

.journey-step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.journey-step-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.journey-step-quote {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-style: italic;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
}

/* Chapter Impact */
.chapter-impact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.impact-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.impact-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.impact-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

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

/* Chapter Tech */
.chapter-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Chapter Publication Card */
.chapter-publication {
  display: block;
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
  z-index: 2;
}

.chapter-publication:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.chapter-publication .publication-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.chapter-publication .publication-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.chapter-publication .publication-meta {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.chapter-publication .publication-publisher {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.chapter-publication .publication-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.chapter-publication .publication-series {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-3);
}

.chapter-publication .publication-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
}

/* ===== Arsenal Section ===== */
.arsenal-section {
  padding: var(--space-24) 0;
  background: var(--color-bg);
  position: relative;
  z-index: 20;
}

.arsenal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.arsenal-category {
  padding: var(--space-6);
  background: linear-gradient(145deg, rgba(255,255,255,0.9), rgba(250,248,245,0.95));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.arsenal-category:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0,0,0,0.08);
}

.arsenal-category::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(200,166,107,0.12), transparent 40%),
              radial-gradient(circle at 80% 0%, rgba(124,144,130,0.12), transparent 45%);
  pointer-events: none;
}

.arsenal-category-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.arsenal-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.arsenal-item {
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.8);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-fast);
}

.arsenal-item:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Quests Section ===== */
.quests-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
  position: relative;
  z-index: 20;
}

.quests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
}

.quest-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

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

.quest-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.quest-icon {
  font-size: var(--text-3xl);
  line-height: 1;
}

.quest-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.quest-links {
  display: flex;
  gap: var(--space-2);
}

.quest-link {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.quest-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.quest-usecase {
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.quest-usecase .usecase-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.quest-usecase p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.quest-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ===== Education Section ===== */
.education-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
  position: relative;
  z-index: 20;
}

.education-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 600px;
}

.education-icon {
  font-size: var(--text-4xl);
  line-height: 1;
}

.education-school {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.education-degree {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.education-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.education-meta .gpa {
  color: var(--color-accent);
  font-weight: 600;
}

.education-location {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== Philosophy Section ===== */
.philosophy-section {
  padding: var(--space-24) 0;
  position: relative;
  z-index: 20;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.philosophy-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.philosophy-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.philosophy-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.philosophy-card h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.philosophy-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
  text-align: center;
  position: relative;
  z-index: 20;
}

.contact-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--color-accent);
}

.contact-item-top {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.contact-item-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
}

.contact-item-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.contact-item-value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

.contact-form {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* Inquiry tags */
.inquiry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.inquiry-tag {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.inquiry-tag:hover {
  border-color: var(--color-accent);
}

.inquiry-tag.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  box-shadow: 0 6px 16px rgba(184, 92, 56, 0.25);
}

.submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-accent);
  color: white;
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.contact-quote {
  margin-top: var(--space-12);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-style: italic;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Chapter Detail Page ===== */
.chapter-detail {
  min-height: 100vh;
  padding-top: var(--nav-height, 80px);
}

.chapter-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-6);
  transition: color 0.2s ease;
}

.chapter-back:hover {
  color: var(--color-accent);
}

.chapter-back svg {
  transition: transform 0.2s ease;
}

.chapter-back:hover svg {
  transform: translateX(-4px);
}

/* Chapter Header */
.chapter-header {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  background: linear-gradient(to bottom, var(--color-bg-alt), var(--color-bg));
}

.chapter-header-inner {
  max-width: 800px;
  margin: 0 auto;
}

.chapter-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.chapter-header h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.chapter-tagline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.chapter-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.chapter-company {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.chapter-company:hover {
  color: var(--color-accent);
}

.chapter-company svg {
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.chapter-company:hover svg {
  opacity: 1;
}

.meta-divider {
  width: 4px;
  height: 4px;
  background: var(--color-border);
  border-radius: 50%;
}

.chapter-role,
.chapter-period {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Chapter Story */
.chapter-story {
  padding: var(--space-16) var(--space-6);
  background: var(--color-bg);
}

.chapter-story-inner {
  max-width: 900px;
  margin: 0 auto;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-12);
}

.story-block {
  position: relative;
}

.story-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.story-text {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text);
}

/* Journey Timeline */
.chapter-journey {
  padding: var(--space-16) var(--space-6);
  background: var(--color-bg-alt);
}

.chapter-journey-inner {
  max-width: 900px;
  margin: 0 auto;
}

.journey-section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-12);
  text-align: center;
}

.journey-timeline {
  position: relative;
  padding-left: var(--space-12);
}

.journey-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.journey-step {
  position: relative;
  padding-bottom: var(--space-10);
}

.journey-step:last-child {
  padding-bottom: 0;
}

.step-marker {
  position: absolute;
  left: calc(-1 * var(--space-12) - 16px);
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px var(--color-bg-alt);
}

.step-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: white;
}

.step-content {
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border-light);
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.step-text {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.step-quote {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

/* Impact Section */
.chapter-impact {
  padding: var(--space-16) var(--space-6);
  background: var(--color-bg);
}

.chapter-impact-inner {
  max-width: 900px;
  margin: 0 auto;
}

.impact-section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  text-align: center;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
}

.impact-card {
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.impact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.impact-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.impact-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Tech Stack */
.chapter-tech {
  padding: var(--space-12) var(--space-6);
  background: var(--color-bg-alt);
}

.chapter-tech-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.tech-section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.tech-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Chapter Navigation */
.chapter-nav {
  padding: var(--space-12) var(--space-6);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
}

.chapter-nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: var(--space-6);
}

.chapter-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all 0.2s ease;
  min-width: 200px;
  max-width: 45%;
}

.chapter-nav-link:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.chapter-nav-link.next {
  text-align: right;
  margin-left: auto;
}

.nav-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.chapter-nav-link.next .nav-label {
  justify-content: flex-end;
}

.nav-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* Chapter Detail Responsive */
@media (max-width: 768px) {
  .chapter-header {
    padding: var(--space-10) var(--space-4);
  }
  
  .chapter-header h1 {
    font-size: var(--text-2xl);
  }
  
  .chapter-tagline {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
  }
  
  .chapter-meta {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .meta-divider {
    display: none;
  }
  
  .chapter-label {
    margin-bottom: var(--space-4);
    font-size: 0.65rem;
    padding: var(--space-1) var(--space-3);
  }
  
  .chapter-back {
    font-size: var(--text-xs);
    margin-bottom: var(--space-4);
  }
  
  .chapter-story {
    padding: var(--space-10) var(--space-4);
  }
  
  .story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .story-text {
    font-size: var(--text-base);
  }
  
  .chapter-journey {
    padding: var(--space-10) var(--space-4);
  }
  
  .journey-section-title,
  .impact-section-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
  }
  
  .journey-timeline {
    padding-left: var(--space-10);
  }
  
  .journey-timeline::before {
    left: 12px;
  }
  
  .step-marker {
    left: 0;
    width: 24px;
    height: 24px;
  }
  
  .step-content {
    padding: var(--space-4);
  }
  
  .step-title {
    font-size: var(--text-base);
  }
  
  .step-text {
    font-size: var(--text-sm);
  }
  
  .step-quote {
    padding: var(--space-3);
    font-size: var(--text-sm);
  }
  
  .chapter-impact {
    padding: var(--space-10) var(--space-4);
  }
  
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .impact-card {
    padding: var(--space-4);
  }
  
  .impact-value {
    font-size: var(--text-xl);
  }
  
  .impact-label {
    font-size: var(--text-xs);
  }
  
  .chapter-tech {
    padding: var(--space-8) var(--space-4);
  }
  
  .tech-section-title {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
  }
  
  .tech-tags {
    gap: var(--space-2);
  }
  
  .tech-tag {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
  }
  
  .chapter-nav {
    padding: var(--space-8) var(--space-4);
  }
  
  .chapter-nav-inner {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .chapter-nav-link {
    max-width: 100%;
    min-width: auto;
    padding: var(--space-4);
  }
  
  .chapter-nav-link.next {
    text-align: left;
    margin-left: 0;
  }
  
  .chapter-nav-link.next .nav-label {
    justify-content: flex-start;
  }
  
  .nav-title {
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .chapter-header {
    padding: var(--space-8) var(--space-3);
  }
  
  .chapter-header h1 {
    font-size: var(--text-xl);
  }
  
  .chapter-tagline {
    font-size: var(--text-sm);
  }
  
  .chapter-story,
  .chapter-journey,
  .chapter-impact {
    padding: var(--space-8) var(--space-3);
  }
  
  .journey-timeline {
    padding-left: var(--space-8);
  }
  
  .step-marker {
    width: 20px;
    height: 20px;
  }
  
  .step-number {
    font-size: 0.6rem;
  }
  
  .impact-grid {
    grid-template-columns: 1fr;
  }
  
  .chapter-tech {
    padding: var(--space-6) var(--space-3);
  }
  
  .chapter-nav {
    padding: var(--space-6) var(--space-3);
  }
}

/* Active dropdown item */
.nav-dropdown-item.active {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.mobile-dropdown-item.active {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* ===== Footer - Dark ===== */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  position: relative;
  z-index: 20;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-12);
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-footer-text);
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
  margin-top: var(--space-2);
  max-width: 300px;
}

.footer-sections {
  display: flex;
  gap: var(--space-12);
}

.footer-section {
  min-width: 120px;
}

.footer-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-footer-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.footer-section-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
}

.footer-bottom-text {
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ===== Parallax Classes ===== */
[data-parallax] {
  will-change: transform;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .chapter-story {
    grid-template-columns: 1fr;
  }
  
  .chapter-impact {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-sections {
    flex-wrap: wrap;
    gap: var(--space-8);
  }
  
  .chapter-progress-indicator {
    right: 12px;
  }
  
  .chapter-dot-label {
    display: none;
  }
  
  .chapter-bg-graphic {
    width: 250px;
    height: 250px;
    right: 2%;
    opacity: 0.6;
  }
  
  .nav-dropdown-menu {
    min-width: 520px;
    left: 0;
    transform: translateX(0) translateY(-10px);
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-dropdown.active .nav-dropdown-menu {
    transform: translateX(0) translateY(0);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
  
  .nav-dropdown-menu {
    min-width: 280px;
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
    padding: 0 var(--space-4);
  }
  
  .hero-cta {
    width: 100%;
    justify-content: center;
  }
  
  .float-graphic {
    opacity: 0.08 !important;
  }
  
  /* Disable sticky on mobile for smoother scroll */
  .chapter-wrapper {
    height: auto !important;
  }
  
  .chapter {
    position: relative;
    top: auto;
    min-height: auto;
    padding: var(--space-12) 0 var(--space-16);
  }
  
  /* Hide chapter indicator on mobile */
  .chapter-progress-indicator {
    display: none;
  }
  
  /* Hide background graphics on mobile for performance */
  .chapter-bg-graphic {
    display: none;
  }
  
  .floating-icon {
    opacity: 0.12;
  }
  
  .floating-db,
  .floating-cloud,
  .floating-chip,
  .floating-code,
  .floating-metrics,
  .floating-server {
    width: 40px;
    height: 40px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    text-align: center;
  }
  
  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-tagline {
    text-align: center;
  }
  
  .footer-sections {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
  
  .quests-grid {
    grid-template-columns: 1fr;
  }
  
  .arsenal-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .journey-steps {
    padding-left: var(--space-8);
  }
  
  .journey-step-number {
    left: calc(-1 * var(--space-8));
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
  
  .education-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .chapter-impact {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .arsenal-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    padding: 0 var(--space-2);
  }
  
  .hero-line {
    font-size: clamp(2rem, 10vw, 2.5rem);
  }
}

/* ===== Chapter Preview Cards ===== */
.chapters-preview-section {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.chapters-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.chapter-preview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chapter-preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), #b57d52);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

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

.chapter-preview-card:hover::before {
  transform: scaleX(1);
}

.preview-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.preview-chapter-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.preview-company {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.preview-favicon {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
}

.preview-company-name {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.preview-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.preview-card-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.preview-highlight {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  margin: var(--space-2) 0;
}

.highlight-metric {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.highlight-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.preview-punch {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.preview-card-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.preview-cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-fast);
}

.chapter-preview-card:hover .preview-cta {
  gap: var(--space-3);
}

/* ===== Chapter Detail View ===== */
.chapter-detail-section {
  padding: var(--space-16) 0;
  background: var(--color-bg);
  min-height: 100vh;
}

.chapter-detail-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.chapter-back-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.back-to-chapters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  cursor: pointer;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.back-to-chapters:hover {
  background: var(--color-accent-light);
}

.chapter-position {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.chapter-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
  gap: var(--space-4);
}

.chapter-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  max-width: 45%;
}

.chapter-nav-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.chapter-nav-link.prev {
  justify-content: flex-start;
}

.chapter-nav-link.next {
  justify-content: flex-end;
  text-align: right;
}

/* Adjust chapter styles for detail view */
.chapter-detail-section .chapter {
  position: relative;
  padding: var(--space-8) 0;
  min-height: auto;
  background: transparent;
}

.chapter-detail-section .chapter-wrapper {
  height: auto;
}

.chapter-detail-section .chapter-bg-graphic {
  display: none;
}

/* ===== Preview Grid Responsive ===== */
@media (max-width: 1024px) {
  .chapters-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .chapters-preview-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .chapter-preview-card {
    padding: var(--space-5);
  }
  
  .chapter-back-nav {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }
  
  .chapter-nav {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .chapter-nav-link {
    max-width: 100%;
    width: 100%;
    justify-content: center !important;
    text-align: center !important;
  }
}


/* ===== Standalone Chapter View Adjustments ===== */
.standalone-chapter-view {
  min-height: 100vh;
  padding-top: var(--space-20);
  background: var(--color-bg);
}

.standalone-chapter-view .chapter-header,
.standalone-chapter-view .chapter-story,
.standalone-chapter-view .chapter-journey,
.standalone-chapter-view .chapter-impact,
.standalone-chapter-view .chapter-tech,
.standalone-chapter-view .chapter-publication {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

.chapter-detail-nav {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--space-12));
  max-width: var(--content-width);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.chapter-detail-nav .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chapter-back-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.chapter-back-btn:hover {
  color: var(--color-accent);
}

.nav-controls {
  display: flex;
  gap: var(--space-2);
}

.chapter-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.chapter-nav-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .chapter-detail-nav {
    bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
  }
  
  .chapter-back-btn span {
    display: none;
  }
  
  .chapter-nav-btn span {
    display: none;
  }
}