/* ===== CSS VARIABLES & DESIGN TOKENS ===== */
:root {
  /* AWS Color Palette */
  --color-primary: #FF9900;
  /* AWS Orange */
  --color-secondary: #232F3E;
  /* Deep Blue */
  --color-background: #1A1A1A;
  /* Dark Gray */
  --color-surface: #2A2A2A;
  /* Lighter Dark Gray */
  --color-text-primary: #FFFFFF;
  /* White */
  --color-text-secondary: #E5E5E5;
  /* Light Gray */
  --color-accent: #00D4FF;
  /* Electric Blue */
  --color-success: #4CAF50;
  /* Success Green */
  --color-warning: #FFC107;
  /* Warning Yellow */
  --color-error: #F44336;
  /* Error Red */

  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #FFB84D 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, #3A4A5C 100%);
  --gradient-background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(35, 47, 62, 0.95) 100%);

  /* Typography Scale */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;

  --font-size-xs: 1rem;
  /* 16px - minimum accessible size */
  --font-size-sm: 1rem;
  /* 16px - minimum accessible size */
  --font-size-base: 1rem;
  /* 16px */
  --font-size-lg: 1.125rem;
  /* 18px */
  --font-size-xl: 1.25rem;
  /* 20px */
  --font-size-2xl: 1.5rem;
  /* 24px */
  --font-size-3xl: 1.875rem;
  /* 30px */
  --font-size-4xl: 2.25rem;
  /* 36px */
  --font-size-5xl: 3rem;
  /* 48px */
  --font-size-6xl: 3.75rem;
  /* 60px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing System (8px grid) */
  --space-1: 0.5rem;
  /* 8px */
  --space-2: 1rem;
  /* 16px */
  --space-3: 1.5rem;
  /* 24px */
  --space-4: 2rem;
  /* 32px */
  --space-5: 2.5rem;
  /* 40px */
  --space-6: 3rem;
  /* 48px */
  --space-8: 4rem;
  /* 64px */
  --space-10: 5rem;
  /* 80px */
  --space-12: 6rem;
  /* 96px */
  --space-16: 8rem;
  /* 128px */
  --space-20: 10rem;
  /* 160px */

  /* Responsive Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;

  /* Border Radius */
  --radius-sm: 0.25rem;
  /* 4px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 0.75rem;
  /* 12px */
  --radius-xl: 1rem;
  /* 16px */
  --radius-2xl: 1.5rem;
  /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(255, 153, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* Container Sizes */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  background-image: var(--gradient-background);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-2);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

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

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

ul,
ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-4);
}

@media (max-width: 768px) {
  ul,
  ol {
    padding-left: var(--space-2);
  }
}

li {
  margin: var(--space-1) 0;
  padding: var(--space-1) 0;
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-20) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__title {
  font-size: var(--font-size-5xl);
  /* Increased from 4xl to 5xl */
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.section__subtitle {
  font-size: var(--font-size-2xl);
  /* Increased from xl to 2xl */
  color: var(--color-text-secondary);
  max-width: 700px;
  /* Slightly wider for larger text */
  margin: 0 auto;
}

/* ===== BUTTON COMPONENTS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-lg);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  color: var(--color-text-primary);
}

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

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    /* 40px */
    --font-size-4xl: 2rem;
    /* 32px */
    --font-size-3xl: 1.5rem;
    /* 24px */
  }

  .container {
    padding: 0 var(--space-2);
  }

  .section {
    padding: var(--space-8) var(--space-1);
    /* Reduced top/bottom and added minimal left/right */
  }

  .section__header {
    margin-bottom: var(--space-8);
    /* Reduced from space-20 to space-8 */
  }

  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2rem;
    /* 32px */
    --font-size-4xl: 1.75rem;
    /* 28px */
  }

  .container {
    padding: 0 var(--space-1);
  }

  .section {
    padding: var(--space-6) var(--space-1);
    /* Even smaller padding with minimal left/right */
  }

  .section__header {
    margin-bottom: var(--space-6);
    /* Reduced header margin for small screens */
  }
}

/* ===== ANIMATION UTILITIES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

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

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

.font-light {
  font-weight: var(--font-weight-light);
}

.font-normal {
  font-weight: var(--font-weight-normal);
}

.font-medium {
  font-weight: var(--font-weight-medium);
}

.font-semibold {
  font-weight: var(--font-weight-semibold);
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

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

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

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

.bg-surface {
  background-color: var(--color-surface);
}

.bg-primary {
  background: var(--gradient-primary);
}

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

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-2xl {
  border-radius: var(--radius-2xl);
}

.rounded-full {
  border-radius: var(--radius-full);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.shadow-2xl {
  box-shadow: var(--shadow-2xl);
}

.transition-fast {
  transition: all var(--transition-fast);
}

.transition-normal {
  transition: all var(--transition-normal);
}

.transition-slow {
  transition: all var(--transition-slow);
}

/* ===== GRID UTILITIES ===== */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

@media (max-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .md\:grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ===== FLEXBOX UTILITIES ===== */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

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

.flex-1 {
  flex: 1 1 0%;
}

.flex-auto {
  flex: 1 1 auto;
}

.flex-none {
  flex: none;
}

/* 
===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 153, 0, 0.1);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(26, 26, 26, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__brand {
  flex: 1;
}

.nav__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

/* Desktop version - show single line */
.nav__title--desktop {
  display: block;
}

.nav__title--mobile {
  display: none;
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.nav__toggle:hover {
  color: var(--color-primary);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 120px;
  /* Add padding to avoid navbar hiding content */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 153, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__content {
  animation: fadeInLeft 1s ease-out;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 153, 0, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.hero__highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero__cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInRight 1s ease-out;
}

.hero__animation {
  position: relative;
  width: 400px;
  height: 300px;
}

.chart-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: translateY(-50%);
  animation: pulse 2s infinite;
}

.chart-line::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 20%;
  width: 60%;
  height: 40px;
  background: linear-gradient(45deg, transparent 40%, var(--color-primary) 50%, transparent 60%);
  opacity: 0.3;
  animation: float 3s ease-in-out infinite;
}

.data-points {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.data-points::before,
.data-points::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.data-points::before {
  top: 30%;
  left: 25%;
  animation-delay: 0.5s;
}

.data-points::after {
  top: 60%;
  right: 30%;
  animation-delay: 1s;
}

/* ===== ACHIEVEMENTS SECTION ===== */
.achievements.section {
  padding-top: var(--space-12);
  /* Add extra top white space on desktop */
}

.achievements__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--space-8);
}

.achievement__card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 153, 0, 0.1);
}

.achievement__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.achievement__icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.achievement__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.achievement__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.customer-letter {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border-left: 4px solid var(--color-primary);
}

.customer-letter h4 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.letter-content p {
  margin-bottom: var(--space-3);
  line-height: var(--line-height-relaxed);
}

.letter-content ol {
  margin: var(--space-4) 0;
}

.metrics-highlight {
  display: flex;
  gap: var(--space-6);
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: rgba(255, 153, 0, 0.1);
  border-radius: var(--radius-lg);
}

.metric {
  text-align: center;
}

.metric__number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.metric__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.appendix {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 153, 0, 0.2);
}

.appendix h5 {
  color: var(--color-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
}

.resource-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.resource-links li {
  margin-bottom: var(--space-2);
}

.resource-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.resource-links a:hover {
  color: var(--color-primary);
}

.resource-links a::before {
  content: '→';
  font-weight: bold;
}

/* ===== WORKSHOPS SECTION ===== */
.workshops__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.workshop__card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 153, 0, 0.1);
}

.workshop__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.workshop__header {
  background: var(--gradient-secondary);
  padding: var(--space-6);
  position: relative;
}

.workshop__number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.workshop__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.workshop__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.workshop__content {
  padding: var(--space-6);
}

.workshop-tracks {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.track {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.track h5,
.track h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.hands-on-features,
.workshop-benefits,
.workshop-highlights,
.genai-use-cases,
.achievements-results,
.tech-stack {
  margin: var(--space-4) 0;
}

.hands-on-features h5,
.workshop-benefits h5,
.workshop-highlights h5,
.genai-use-cases h5,
.tech-stack h5 {
  color: var(--color-primary);
  margin-top: var(--space-2);
}

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

.achievements,
.results {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
}

.achievements h5,
.results h5 {
  color: var(--color-primary);
  margin-top: var(--space-2);
}

/* ===== LESSONS SECTION ===== */
.lessons__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.lesson__card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 153, 0, 0.1);
}

.lesson__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.lesson__header {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #3A4A5C 100%);
  padding: var(--space-6);
  position: relative;
}

.lesson__number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.lesson__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  padding-right: 60px;
}

.lesson__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.lesson__content {
  padding: var(--space-6);
}

.lesson__description h4,
.lesson__description h5,
.lesson__description h6 {
  color: var(--color-primary);
  margin-top: var(--space-6);
}

.lesson__benefits ul,
.lesson__examples ul,
.bedrock__features ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-1) 0;
}

.lesson__benefits li,
.lesson__examples li,
.bedrock__features li {
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-text-secondary);
}

.lesson__benefits li::before,
.lesson__examples li::before,
.bedrock__features li::before {
  content: '👍';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.examples__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: 0 0 var(--space-4) 0;
}

.concepts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.concept__item {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
}

.concept__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  background: rgba(0, 0, 0, 0.3);
}

.concept__item h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.data__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-4) 0;
}

.data__type {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
}

.data__type:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  background: rgba(0, 0, 0, 0.3);
}

.data__type h5 {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.aws__bedrock {
  margin: var(--space-6) 0;
  background: rgba(255, 153, 0, 0.1);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 153, 0, 0.3);
}

.factors__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.factor__category {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.factor__category h5 {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.factor__item {
  margin-bottom: var(--space-3);
  padding: var(--space-2);
  background: rgba(255, 153, 0, 0.05);
  border-radius: var(--radius-md);
}

.factor__item strong {
  color: var(--color-primary);
}

.statistics__overview {
  margin: var(--space-4) 0;
}

.analysis__methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.method__item {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
}

.method__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  background: rgba(0, 0, 0, 0.3);
}

.method__item h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.ttest__details {
  margin: var(--space-6) 0;
}

.ttest__types {
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: linear-gradient(135deg, rgba(255, 153, 0, 0.08), rgba(255, 153, 0, 0.03));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 153, 0, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.ttest__types h5 {
  text-align: center;
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-5);
  position: relative;
}

.ttest__types h5::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
}

.ttest__types__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-2);
}

.ttest__type {
  background: rgba(255, 255, 255, 0.08);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.ttest__type::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.ttest__type:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  border-color: rgba(255, 153, 0, 0.3);
}

.ttest__type h6 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.ttest__type p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.ttest__type h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

/* Additional lesson content styles */
.factor__expansion,
.factor__workflow,
.d2e__example,
.bedrock__prompt,
.subsequent__plans {
  margin: var(--space-6) 0;
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.expansion__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.expansion__item h6,
.step__item h6,
.key__factors h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.workflow__steps ul,
.plans__list ul,
.key__factors ul {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
}

.workflow__steps li,
.plans__list li,
.key__factors li {
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-text-secondary);
}

.workflow__steps li::before,
.plans__list li::before,
.key__factors li::before {
  content: '👍';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.example__steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.step__item {
  background: rgba(255, 153, 0, 0.05);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
}

.step__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  background: rgba(255, 153, 0, 0.1);
}

.prompt__content {
  background: rgba(255, 153, 0, 0.1);
  padding: var(--space-2) var(--space-4);
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 153, 0, 0.3);
}

/* Model references styling */
.model__references {
  margin-top: var(--space-2);
  padding: var(--space-4);
  background: rgba(255, 153, 0, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 153, 0, 0.3);
}

.model__references h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.model__references ul {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
}

.model__references li {
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-text-secondary);
}

.model__references li::before {
  content: '👍';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.model__references p {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
}

.hypothesis__item {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
}

.expansion__item {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
}

.expansion__item h6 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.ttest__example__small {
  margin: var(--space-3) 0;
  padding: var(--space-2);
  background: rgba(255, 153, 0, 0.05);
  border-radius: var(--radius-sm);
}

/* Mobile responsive for new content */
@media (max-width: 768px) {

  .expansion__content,
  .example__steps {
    grid-template-columns: 1fr;
  }
}

/* Mobile responsive for lessons */
@media (max-width: 768px) {

  h4,
  h5,
  h6 {
    margin-top: var(--space-2);
  }

  li {
    padding: 0;
    margin: 0 0 var(--space-1) 0;
  }

  .examples__grid,
  .concepts__grid,
  .data__comparison,
  .factors__grid {
    grid-template-columns: 1fr;
  }

  .analysis__methods {
    grid-template-columns: 1fr;
  }

  .ttest__types__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .lesson__content {
    padding: var(--space-2);
  }

  .ttest__types {
    padding: var(--space-2) 0;
  }

  .ttest__type {
    padding: var(--space-2) var(--space-1);
  }

  .ttest__example__small {
    padding: var(--space-2) var(--space-1);
  }

  .bedrock__prompt {
    padding: var(--space-2) var(--space-1);
  }

  .prompt__content {
    padding: var(--space-0) var(--space-1);
    margin: var(--space-4) 0;
  }

  .d2e__example,
  .factor__expansion,
  .subsequent__plans,
  .factor__workflow {
    padding: var(--space-1);
  }

  .data__type,
  .aws__bedrock {
    padding: var(--space-1);
  }

  .concept__item,
  .method__item {
    padding: var(--space-2) var(--space-1);
  }

  .step__item,
  .expansion__item {
    padding: var(--space-1);
  }

  .hypothesis__item {
    padding: var(--space-2) 0;
  }

  .model__references {
    padding: var(--space-2) var(--space-1);
  }

  .track {
    padding: var(--space-2) var(--space-1);
  }

  .group__link {
    padding: var(--space-2) var(--space-1);
  }

  .lesson__title {
    font-size: var(--font-size-xl);
    padding-right: 50px;
  }

  .lesson__number {
    width: 35px;
    height: 35px;
    font-size: var(--font-size-base);
    right: var(--space-1);
  }
}

@media (max-width: 480px) {
  .lesson__content {
    padding: var(--space-1);
  }

  .lesson__header {
    padding: var(--space-4) var(--space-1) var(--space-1) var(--space-1);
  }

  .lesson__title {
    font-size: var(--font-size-lg);
  }

  .lesson__number {
    width: 30px;
    height: 30px;
    font-size: var(--font-size-sm);
  }
}

/* ===== CAPABILITIES SECTION ===== */
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 1200px;
  margin: 0 auto var(--space-12);
  gap: var(--space-6);
}

/* Limit capabilities grid to max 3 items per row */
@media (min-width: 1200px) {
  .capabilities__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.capability__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 153, 0, 0.1);
}

.capability__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.capability__icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin: 0 auto var(--space-4);
}

.capability__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.capability__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.github-resources {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.resources__title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
}

.resources__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--space-4);
}

/* Limit resources grid to max 3 items per row */
@media (min-width: 1200px) {
  .resources__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.resource__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.resource__link:hover {
  background: rgba(255, 153, 0, 0.1);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.resource__link i {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

/* ===== TEAM SECTION ===== */
.team__group-link {
  text-align: center;
  margin-bottom: var(--space-12);
}

.group__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.group__link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  color: var(--color-text-primary);
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--space-6);
}

/* Limit team grid to max 3 items per row */
@media (min-width: 1200px) {
  .team__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.team__member {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 153, 0, 0.1);
}

.team__member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.member__avatar {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  color: var(--color-text-primary);
  margin: 0 auto var(--space-4);
}

.member__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.member__title {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
}

.member__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.member__linkedin:hover {
  color: var(--color-primary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-secondary);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-16);
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

.footer__brand {
  max-width: 400px;
}

.footer__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.footer__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.footer__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.footer__section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__list li {
  margin-bottom: var(--space-2);
}

.footer__list a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__list a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 153, 0, 0.2);
  text-align: center;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .hero__visual {
    order: -1;
  }

  .achievements__grid {
    grid-template-columns: 1fr;
  }

  .achievements.section {
    padding-left: var(--space-1);
    padding-right: var(--space-1);
  }

  .workshops__grid {
    flex-direction: column;
    gap: var(--space-6);
  }

  .capabilities__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .resources__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(10px);
    transition: left var(--transition-normal);
    padding: var(--space-8);
  }

  .nav__menu.show {
    left: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-1);
    align-items: flex-start;
  }

  .nav__toggle {
    display: block;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .hero__visual {
    display: none;
  }

  .metrics-highlight {
    flex-direction: column;
    gap: var(--space-4);
  }

  .achievements-results {
    grid-template-columns: 1fr;
  }

  .results {
    padding: var(--space-2) var(--space-1);
  }

  .achievements {
    padding: var(--space-2) var(--space-1);
  }

  .capabilities__grid {
    grid-template-columns: 1fr;
  }

  .team__grid {
    grid-template-columns: 1fr;
  }

  .resources__grid {
    grid-template-columns: 1fr;
  }

  .footer__links {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .workshop__header {
    position: relative;
    padding: var(--space-3) 60px var(--space-3) var(--space-1);
    /* Make room for workshop number */
  }

  .workshop__number {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 35px;
    height: 35px;
    font-size: var(--font-size-base);
  }

  .workshop__title {
    font-size: var(--font-size-xl);
    margin-right: 10px;
    /* Extra margin to prevent overlap */
  }

  .achievement__card,
  .workshop__card {
    padding: var(--space-2);
    /* Reduced padding for mobile */
  }

  .workshop__content {
    padding: var(--space-1);
    /* Reduced left/right padding */
  }

  .customer-letter {
    padding: var(--space-1);
    /* Reduced left/right padding */
  }

  .capability__card,
  .team__member {
    padding: var(--space-1);
    /* Reduced left/right padding */
  }
}

@media (max-width: 480px) {
  .nav__title {
    font-size: var(--font-size-base);
    /* Smaller font size on mobile */
  }

  /* Hide desktop version, show mobile version */
  .nav__title--desktop {
    display: none;
  }

  .nav__title--mobile {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }

  .nav__title-line1,
  .nav__title-line2 {
    font-size: var(--font-size-base);
    /* 16px for accessibility */
    font-weight: var(--font-weight-bold);
  }

  .nav__title-line2 {
    font-size: var(--font-size-sm);
    /* Slightly smaller for second line */
    opacity: 0.9;
  }

  .hero__badge {
    flex-direction: column;
    text-align: center;
    gap: var(--space-1);
  }

  .achievement__card,
  .workshop__card {
    padding: var(--space-2);
  }

  .workshop__header {
    padding: var(--space-3) var(--space-3) var(--space-1) var(--space-1);
  }

  .workshop__content {
    padding: var(--space-3) 0;
  }

  .customer-letter {
    padding: var(--space-4) var(--space-1);
  }

  .github-resources {
    padding: var(--space-2);
  }

  .team__member {
    padding: var(--space-3);
  }

  .capability__card {
    padding: var(--space-3);
  }

  .member__avatar {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-2xl);
  }

  .workshop__header {
    padding-right: 55px;
    /* Even more room for workshop number on small screens */
  }

  .workshop__number {
    top: var(--space-2);
    right: var(--space-2);
    width: 30px;
    height: 30px;
    font-size: var(--font-size-sm);
  }

  .workshop__title {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-tight);
  }
}

/* =
==== ACCESSIBILITY ENHANCEMENTS ===== */

/* Focus styles for keyboard navigation */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-text-primary);
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 9999;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --color-background: #000000;
    --color-surface: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #ffffff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Ensure sufficient color contrast */
.nav__link:focus,
.btn:focus,
.member__linkedin:focus,
.resource__link:focus {
  background-color: rgba(255, 153, 0, 0.2);
  border-radius: var(--radius-sm);
}

/* Mobile navigation accessibility */
.nav__toggle {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.nav__toggle:focus {
  background-color: rgba(255, 153, 0, 0.2);
}

/* Ensure interactive elements are large enough for touch */
@media (max-width: 768px) {

  .nav__link,
  .btn,
  .member__linkedin,
  .resource__link {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Print styles */
@media print {

  .header,
  .nav__toggle,
  .hero__visual,
  .footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

/* Font loading optimization is handled by Google Fonts link in HTML */

/* Optimize animations for better performance */
.animate-fade-in-up,
.animate-fade-in-left,
.animate-fade-in-right {
  will-change: transform, opacity;
}

.animate-fade-in-up.complete,
.animate-fade-in-left.complete,
.animate-fade-in-right.complete {
  will-change: auto;
}

/* Optimize hover effects */
.achievement__card,
.workshop__card,
.capability__card,
.team__member {
  will-change: transform;
}

.achievement__card:hover,
.workshop__card:hover,
.capability__card:hover,
.team__member:hover {
  will-change: auto;
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {

  /* Already using dark theme, but ensure consistency */
  :root {
    color-scheme: dark;
  }
}

/* ===== FINAL RESPONSIVE ADJUSTMENTS ===== */

/* Extra small devices */
@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-1);
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .section__title {
    font-size: var(--font-size-4xl);
    /* Increased from 3xl to 4xl on mobile */
  }

  .section__subtitle {
    font-size: var(--font-size-xl);
    /* Increased subtitle on mobile */
  }

  .achievement__card,
  .workshop__card {
    padding: var(--space-3);
  }
}

/* Large screens optimization */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }

  .hero__title {
    font-size: var(--font-size-6xl);
  }

  .section__title {
    font-size: var(--font-size-5xl);
  }
}

/* ===== LOADING STATES ===== */

.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===== ERROR STATES ===== */

.error {
  color: var(--color-error);
  background-color: rgba(244, 67, 54, 0.1);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin: var(--space-2) 0;
}

/* ===== SUCCESS STATES ===== */

.success {
  color: var(--color-success);
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin: var(--space-2) 0;
}

/* ====
= FACTOR STYLING ===== */
.factor__item {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
  transition: all 0.3s ease;
  position: relative;
}

.factor__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  border-left-color: rgba(255, 153, 0, 0.8);
  background: rgba(255, 255, 255, 0.08);
}

.factor__term {
  color: var(--color-primary);
  font-weight: 500;
  display: block;
  margin: var(--space-1) 0;
}

.factor__takeaway {
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: block;
  margin: var(--space-1) 0;
}

/* Mobile responsive for factors */
@media (max-width: 768px) {
  .factor__category {
    padding: var(--space-2) var(--space-1);
  }

  .factor__item {
    padding: var(--space-2);
    margin-bottom: var(--space-3);
  }
}

/* ===== T-STATISTICS STYLING ===== */
.ttest__overview,
.ttest__assumptions,
.ttest__formulas,
.ttest__example__detailed,
.independent__ttest,
.ttest__usage {
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.ttest__definition ul,
.ttest__assumptions ul,
.ttest__formulas ul,
.ttest__example__detailed ul,
.independent__ttest ul,
.ttest__usage ul {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
}

.ttest__definition li,
.ttest__assumptions li,
.ttest__formulas li,
.ttest__example__detailed li,
.independent__ttest li,
.ttest__usage li {
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.ttest__definition li::before,
.ttest__assumptions li::before,
.ttest__formulas li::before,
.ttest__example__detailed li::before,
.independent__ttest li::before,
.ttest__usage li::before {
  content: '👍';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.ttest__example {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  background: rgba(255, 153, 0, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 153, 0, 0.2);
}

.hypothesis__results {
  margin: var(--space-4) 0;
}

.hypothesis__item strong {
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.ttest__interpretation {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}





.ttest__calculation {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

/* Mobile responsive for T-Statistics */
@media (max-width: 768px) {

  .ttest__overview,
  .ttest__assumptions,
  .ttest__formulas,
  .ttest__example__detailed,
  .ttest__example,
  .independent__ttest,
  .ttest__usage {
    padding: var(--space-1) var(--space-1);
    margin: var(--space-4) 0;
  }

  .ttest__interpretation {
    padding: var(--space-1) 0;
  }

  .ttest__calculation {
    padding: var(--space-1);
  }

  .ttest__definition li,
  .ttest__assumptions li,
  .ttest__formulas li,
  .ttest__example__detailed li,
  .independent__ttest li,
  .ttest__usage li {
    padding-left: var(--space-3);
  }
}

/* ===== EXPANSION ITEM HOVER EFFECTS ===== */
.expansion__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.15);
  background: rgba(0, 0, 0, 0.25);
}

/* ==
=== LESSON CONCEPTS SPACING ===== */
.lesson__concepts {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
}

.lesson__concepts h5 {
  margin-bottom: var(--space-4);
}

/* ==
=== GUIDANCE FEATURES STYLING ===== */
.guidance__features {
  margin: var(--space-3) 0;
}

/* Mobile responsive for guidance features */
@media (max-width: 768px) {
  .guidance__features {
    padding-bottom: var(--space-4);
  }
}